Update app.py

app.py

@@ -14,6 +14,11 @@ SPOTIFY_AUTH_URL = "https://accounts.spotify.com/authorize"
 SPOTIFY_TOKEN_URL = "https://accounts.spotify.com/api/token"
 SPOTIFY_API_URL = "https://api.spotify.com/v1"
 
+
+@app.route('/')
+def home():
+    return "Welcome to the test Spotify API app!"
+
 # Get Spotify authorization URL
 @app.route('/login')
 def login():