add dropdown year as AY yyyy formate and seprate css files commit

main.py

@@ -26,7 +26,7 @@ app.config['UPLOAD_FOLDER'] = FileHandler.UPLOAD_FOLDER
 @app.route('/')
 def welcome():
     return render_template('welcome.html')
-
+ 
 # Dashboard page
 @app.route('/dashboard')
 def index():
@@ -47,8 +47,8 @@ def upload_file():
         return redirect(url_for('view_documents'))
     return render_template('upload.html')
     
-
-# View all documents with filters
+ 
+# View all documents with filters  
 @app.route('/documents')
 def view_documents():
     docHandler = DocumentHandler()