4.0.0 (#42)

* adding URL conversions

* updating gotenberg version in documentation

* pkg: input as variadic string (#39)

* pkg: input as variadic string

* pkg: fix link to github doc

* update doc about v4 client

* make doc

* fixing missing variadic inputs in doc

* adding more fonts

* updating PHP documentation

internal/app/api/url.go

@@ -0,0 +1,51 @@
+package api
+
+import (
+	"github.com/labstack/echo"
+	"github.com/thecodingmachine/gotenberg/internal/pkg/printer"
+)
+
+func convertURL(c echo.Context) error {
+	r, err := newResource(c)
+	if err != nil {
+		return hijackErr(err, r)
+	}
+	ctx, cancel := newContext(r)
+	if cancel != nil {
+		defer cancel()
+	}
+	p := &printer.HTML{Context: ctx}
+	URL, err := r.remoteURL()
+	if err != nil {
+		return hijackErr(err, r)
+	}
+	p.URL = URL
+	headerPath, _ := r.filePath("header.html")
+	if err := p.WithHeaderFile(headerPath); err != nil {
+		return hijackErr(err, r)
+	}
+	footerPath, _ := r.filePath("footer.html")
+	if err := p.WithFooterFile(footerPath); err != nil {
+		return hijackErr(err, r)
+	}
+	paperSize, err := r.paperSize()
+	if err != nil {
+		return hijackErr(err, r)
+	}
+	p.PaperWidth = paperSize[0]
+	p.PaperHeight = paperSize[1]
+	paperMargins, err := r.paperMargins()
+	if err != nil {
+		return hijackErr(err, r)
+	}
+	p.MarginTop = paperMargins[0]
+	p.MarginBottom = paperMargins[1]
+	p.MarginLeft = paperMargins[2]
+	p.MarginRight = paperMargins[3]
+	landscape, err := r.landscape()
+	if err != nil {
+		return hijackErr(err, r)
+	}
+	p.Landscape = landscape
+	return print(c, p, r)
+}