servir a index.html a rotas

app/app.py

@@ -1,4 +1,4 @@
-from flask import Flask, request, jsonify
+from flask import Flask, request, jsonify, send_file
 from flask_cors import CORS
 from pymongo import MongoClient
 from datetime import datetime, timedelta
@@ -76,10 +76,40 @@ def init_default_categories(user_id):
         })
     if categories:
         categories_collection.insert_many(categories)
+@app.route('/')
+def serve_html_home():
+    return send_file('../web/assets/index.html')
 
+@app.route('/dashboard')
+def serve_html_dashboard():
+    return send_file('../web/assets/index.html')
+
+@app.route('/login')
+def serve_html_login():
+    return send_file('../web/assets/index.html')
+
+@app.route('/cadastro')
+def serve_html_cadastro():
+    return send_file('../web/assets/index.html')
+
+@app.route('/transacoes')
+def serve_html_transacoes():
+    return send_file('../web/assets/index.html')
+
+@app.route('/configuracoes')
+def serve_html_configuracoes():
+    return send_file('../web/assets/index.html')
+
+@app.route('/about')
+def serve_html_about():
+    return send_file('../web/assets/index.html')
+    
+@app.route('/help')
+def serve_html_help():
+    return send_file('../web/assets/index.html')
 # ROTAS DE AUTENTICAÇÃO
 @app.route('/api/auth/register', methods=['POST'])
-def register():
+def register(): 
     try:
         data = request.get_json()
         email = data.get('email', '').strip().lower()