mimetype added. Thanks page added

app.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"mime"
 	"path"
 	"path/filepath"
 
@@ -20,6 +21,7 @@ type App struct {
 func (a *App) start() {
 	a.db.AutoMigrate(&planner.Besucher{})
 	a.r.Use(CORSMiddleware())
+	a.r.Use(HEADERMiddleWare())
 	a.r.SetTrustedProxies(a.proxyips)
 	a.r.NoRoute((func(c *gin.Context) {
 		dir, file := path.Split(c.Request.RequestURI)
@@ -46,6 +48,13 @@ func (a *App) start() {
 	}
 }
 
+func HEADERMiddleWare() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		mime.AddExtensionType(".js", "application/javascript")
+		c.Next()
+	}
+}
+
 func CORSMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")