added client RA bill wise download report

app/__init__.py

@@ -0,0 +1,83 @@
+# from flask import Flask
+# from app.config import Config
+# from app.services.db_service import db
+
+# def create_app():
+#     app = Flask(__name__)
+#     app.config.from_object(Config)
+
+#     db.init_app(app)
+
+#     from app.routes.auth import auth_bp
+#     from app.routes.user import user_bp
+#     from app.routes.dashboard import dashboard_bp
+#     from app.routes.subcontractor_routes import subcontractor_bp
+#     from app.routes.file_import import file_import_bp
+#     from app.routes.file_report import file_report_bp
+#     from app.routes.generate_comparison_report import generate_report_bp
+#     from app.routes.file_format import file_format
+
+#     app.register_blueprint(auth_bp)
+#     app.register_blueprint(user_bp)
+#     app.register_blueprint(dashboard_bp)
+#     app.register_blueprint(subcontractor_bp)
+#     app.register_blueprint(file_import_bp)
+#     app.register_blueprint(file_report_bp)
+#     app.register_blueprint(generate_report_bp)
+#     app.register_blueprint(file_format)
+
+#     return app
+
+
+from flask import Flask, redirect, url_for
+from app.config import Config
+from app.services.db_service import db
+
+def create_app():
+    app = Flask(__name__)
+    app.config.from_object(Config)
+
+    # Initialize extensions
+    db.init_app(app)
+
+    # Register blueprints
+    register_blueprints(app)
+    # Register error handlers
+    register_error_handlers(app)
+
+    # ROOT → LOGIN
+    @app.route("/")
+    def index():
+        return redirect(url_for("auth.login"))
+
+    return app
+
+
+def register_blueprints(app):
+    from app.routes.auth import auth_bp
+    from app.routes.user import user_bp
+    from app.routes.dashboard import dashboard_bp
+    from app.routes.subcontractor_routes import subcontractor_bp
+    from app.routes.file_import import file_import_bp
+    from app.routes.file_report import file_report_bp
+    from app.routes.generate_comparison_report import generate_report_bp
+    from app.routes.file_format import file_format_bp 
+
+    app.register_blueprint(auth_bp)
+    app.register_blueprint(user_bp)
+    app.register_blueprint(dashboard_bp)
+    app.register_blueprint(subcontractor_bp)
+    app.register_blueprint(file_import_bp)
+    app.register_blueprint(file_report_bp)
+    app.register_blueprint(generate_report_bp)
+    app.register_blueprint(file_format_bp )
+
+
+def register_error_handlers(app):
+    @app.errorhandler(404)
+    def page_not_found(e):
+        return "Page Not Found", 404
+
+    @app.errorhandler(500)
+    def internal_error(e):
+        return "Internal Server Error", 500