removed secrets from the code (reom from chatgpt)

api.py

@@ -1,4 +1,4 @@
-from flask import Blueprint, render_template, redirect, url_for, request
+from flask import Blueprint, render_template, redirect, url_for, request, current_app
 from flask_login import login_required, current_user, login_user
 from models import db
 from models import User, Item
@@ -14,7 +14,7 @@ def validate_key():
     result['data'] = ''
     if "key" in request.form:
         key = request.form["key"]
-        if key == 'NogNietNodigHier':
+        if key == current_app.config["APPLICATION_KEY"]:
             result['status'] = 1
         else:
             result['message'] = 'Unknown Application-Key'