fix(api): wait for modules readiness before starting server (#752)

pkg/modules/api/mocks.go

@@ -105,12 +105,17 @@ func (provider *MiddlewareProviderMock) Middlewares() ([]Middleware, error) {
 // HealthCheckerMock is mock for the [HealthChecker] interface.
 type HealthCheckerMock struct {
 	ChecksMock func() ([]health.CheckerOption, error)
+	ReadyMock  func() error
 }
 
 func (mod *HealthCheckerMock) Checks() ([]health.CheckerOption, error) {
 	return mod.ChecksMock()
 }
 
+func (mod *HealthCheckerMock) Ready() error {
+	return mod.ReadyMock()
+}
+
 // Interface guards.
 var (
 	_ Router             = (*RouterMock)(nil)