docs: cURL write to a file instead of stdout (#25)

build/docs/content/02-html.md

@@ -33,7 +33,7 @@ $ curl --request POST \
     --url http://localhost:3000/convert/html \
     --header 'Content-Type: multipart/form-data' \
     --form files=@index.html \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go
@@ -107,7 +107,7 @@ $ curl --request POST \
     --form files=@index.html \
     --form files=@header.html \
     --form files=@footer.html \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go
@@ -197,7 +197,7 @@ $ curl --request POST \
     --form files=@style.css \
     --form files=@img.png \
     --form files=@font.woff \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go
@@ -261,7 +261,7 @@ $ curl --request POST \
     --form marginLeft=0 \
     --form marginRight=0 \
     --form landscape=true \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go

build/docs/content/03-markdown.md

@@ -36,7 +36,7 @@ $ curl --request POST \
     --header 'Content-Type: multipart/form-data' \
     --form files=@index.html \
     --form files=@file.md \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go

build/docs/content/04-office.md

@@ -36,7 +36,7 @@ $ curl --request POST \
     --header 'Content-Type: multipart/form-data' \
     --form files=@document.docx \
     --form files=@document2.docx \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go
@@ -88,7 +88,7 @@ $ curl --request POST \
     --form paperWidth=8.27 \
     --form paperHeight=11.27 \
     --form landscape=true \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go

build/docs/content/05-merge.md

@@ -19,7 +19,7 @@ $ curl --request POST \
     --header 'Content-Type: multipart/form-data' \
     --form files=@file.pdf \
     --form files=@file2.pdf \
-    > result.pdf
+    -o result.pdf
 ```
 
 ### Go

docs/index.html

@@ -176,7 +176,7 @@ which will be converted to PDF.</p>
 </span><span class="se"></span>    --url http://localhost:3000/convert/html <span class="se">\
 </span><span class="se"></span>    --header <span class="s1">&#39;Content-Type: multipart/form-data&#39;</span> <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@index.html <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="html.basic.go" href="#html.basic.go">
@@ -258,7 +258,7 @@ Also, <code>footer.html</code> CSS properties override the ones from <code>heade
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@index.html <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@header.html <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@footer.html <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="html.header_and_footer.go" href="#html.header_and_footer.go">
@@ -353,7 +353,7 @@ see to the <a href="#office.fonts">fonts section</a>.</p>
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@style.css <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@img.png <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@font.woff <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="html.assets.go" href="#html.assets.go">
@@ -424,7 +424,7 @@ Also, you have to set both <code>paperWidth</code> and <code>paperHeight</code>.
 </span><span class="se"></span>    --form <span class="nv">marginLeft</span><span class="o">=</span><span class="m">0</span> <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">marginRight</span><span class="o">=</span><span class="m">0</span> <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">landscape</span><span class="o">=</span><span class="nb">true</span> <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="html.paper_size_margins_orientation.go" href="#html.paper_size_margins_orientation.go">
@@ -505,7 +505,7 @@ in the file <code>index.html</code>. This function will convert a given markdown
 </span><span class="se"></span>    --header <span class="s1">&#39;Content-Type: multipart/form-data&#39;</span> <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@index.html <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@file.md <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="markdown.basic.go" href="#markdown.basic.go">
@@ -587,7 +587,7 @@ See the <a href="#scalability">scalability section</a> to find how to mitigate t
 </span><span class="se"></span>    --header <span class="s1">&#39;Content-Type: multipart/form-data&#39;</span> <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@document.docx <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@document2.docx <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="office.basic.go" href="#office.basic.go">
@@ -646,7 +646,7 @@ Also, you have to set both <code>paperWidth</code> and <code>paperHeight</code>.
 </span><span class="se"></span>    --form <span class="nv">paperWidth</span><span class="o">=</span><span class="m">8</span>.27 <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">paperHeight</span><span class="o">=</span><span class="m">11</span>.27 <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">landscape</span><span class="o">=</span><span class="nb">true</span> <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="office.paper_size_and_orientation.go" href="#office.paper_size_and_orientation.go">
@@ -723,7 +723,7 @@ will merge them and return the resulting PDF file.</p>
 </span><span class="se"></span>    --header <span class="s1">&#39;Content-Type: multipart/form-data&#39;</span> <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@file.pdf <span class="se">\
 </span><span class="se"></span>    --form <span class="nv">files</span><span class="o">=</span>@file2.pdf <span class="se">\
-</span><span class="se"></span>    &gt; result.pdf
+</span><span class="se"></span>    -o result.pdf
 </pre>
 
 <h3 class="Heading"><a class="Anchor" aria-hidden="true" id="merge.basic.go" href="#merge.basic.go">