feat: add possibility to hide upload button (#25)

I was asked to add the possibility to hide the upload button to avoid users confuse this tool for a file sharing app.
This is only on the front.

No breaking changes, by default the button is displayed.

Co-authored-by: Thibault Piron <thibault.a.piron@gmail.com>
Reviewed-on: #25
Reviewed-by: Julien Riou <jriou@monitoring@riou.xyz>
Co-authored-by: tapiron <tapiron@monitoring@riou.xyz>
Co-committed-by: tapiron <tapiron@monitoring@riou.xyz>

src/server/server.go

@@ -186,14 +186,15 @@ func (h *GetProtectedNoteHandler) ServeHTTP(w http.ResponseWriter, r *http.Reque
 }
 
 type PageData struct {
-	Title       string
-	Version     string
-	Expirations []int
-	Expiration  int
-	Languages   []string
-	Err         error
-	URL         string
-	Note        *Note
+	Title                  string
+	Version                string
+	Expirations            []int
+	Expiration             int
+	Languages              []string
+	Err                    error
+	URL                    string
+	Note                   *Note
+	EnableUploadFileButton bool
 }
 
 type HomeHandler struct {
@@ -431,6 +432,7 @@ func (s *Server) Start() error {
 	if s.config.ShowVersion {
 		p.Version = s.version
 	}
+	p.EnableUploadFileButton = s.config.EnableUploadFileButton
 
 	templates, err := template.New("templates").Funcs(funcs).ParseFS(templatesFS, "templates/*.html")
 	if err != nil {