Added CORS imports

backend/api/__init__.py

 from flask import Flask
+from flask_cors import CORS
 
 # from database.db_connection import get_db_connection
 
 
 def create_app():
     app = Flask(__name__)
-
+    CORS(app)
+    
     from api.routes.tempData import tempData_bp
     from api.routes.powerData import powerData_bp
     from api.routes.waterData import waterData_bp