Add help page explaining how to create a new quiz

cmd/web/handlers.go

@@ -56,6 +56,10 @@ func (app *application) home(w http.ResponseWriter, r *http.Request, formData ho
 	app.render(w, r, "home.page.tmpl.html", td)
 }
 
+func (app *application) help(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	app.render(w, r, "help.page.tmpl.html", nil)
+}
+
 func (app *application) play(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
 	if err := r.ParseForm(); err != nil {
 		app.clientError(w, http.StatusBadRequest)

cmd/web/main.go

@@ -111,6 +111,7 @@ func main() {
 	mux.GET("/template", app.downloadTemplate)
 	mux.POST("/game", app.createGame)
 	mux.GET("/quiz/:gameUid", app.showGame)
+	mux.GET("/help", app.help)
 
 	mux.GET("/ws/:playerUid", app.processWebSocket)