fix(init): added docstrings and indented

app/__init__.py

@@ -1,8 +1,21 @@
+"""
+Module that initializes the app
+"""
 from flask import Flask
 from . import password, config
 
-def create_app():
-    app = Flask(__name__, template_folder="ui/templates", static_folder="ui/static")
+
+def create_app() -> Flask:
+    """
+    Creates the Flask app object
+
+    Returns:
+        Flask: App's object
+    """
+    app = Flask(
+        __name__,
+        template_folder="ui/templates",
+        static_folder="ui/static")
     app.config.from_object(config.ProductionConfig())
 
     app.register_blueprint(password.bp)