fix: add module docstring and resolve Pylint warnings (i hope)

app/app.py

@@ -4,7 +4,7 @@ import logging
 from flask import Flask
 from flask_apscheduler import APScheduler
 from asgiref.wsgi import WsgiToAsgi
-from controllers.category import category_bp
+from routes.category_router import category_bp
 
 # from routes.summary import summary_bp
 
@@ -36,7 +36,7 @@ def create_app():
     flask_app = Flask(__name__)
     # flask_app.config.from_object(Config())
     # flask_app.register_blueprint(summary_bp, url_prefix='/summary')
-    flask_app.register_blueprint(category_bp, url_prefix='/summary') 
+    flask_app.register_blueprint(category_bp, url_prefix='/summary')
 
     logging.basicConfig(
         format='%(asctime)s - %(levelname)s - %(funcName)s - %(message)s')

app/controllers/category.py

@@ -1,3 +1,9 @@
+"""
+Category Controller - Business logic for handling category data.
+
+This module contains functions that interact with the database
+to fetch and process data sorted by category
+"""
 from database.mongodb import category_collection
 def get_categories():
     

app/routes/category_router.py

@@ -1,3 +1,12 @@
+"""
+Defines Flask routes for handling call by category
+
+This module contains API endpoints for managing and retrieving categories
+from the MongoDB database. 
+
+Routes:
+    - GET /api/category: Fetch all categories.
+"""
 from controllers.category import get_categories
 from flask import jsonify
 from . import category_bp
@@ -10,9 +19,6 @@ def fetch_categories():
     Returns:
         list[dict]: JSON response containing categories and their associated sites.
 
-    Raises:
-        tbd
-
     Endpoint:
         GET /api/category