add route to fetch album color

app/api/__init__.py

@@ -6,7 +6,7 @@ from flask import Flask
 from flask_cors import CORS
 
 from app.api import (album, artist, favorites, folder, imgserver, playlist,
-                     search, settings, track)
+                     search, settings, track, colors)
 
 
 def create_api():
@@ -26,5 +26,6 @@ def create_api():
         app.register_blueprint(favorites.api)
         app.register_blueprint(imgserver.api)
         app.register_blueprint(settings.api)
+        app.register_blueprint(colors.api)
 
         return app

app/api/colors.py

@@ -0,0 +1,13 @@
+from flask import Blueprint
+from app.db.store import Store
+
+api = Blueprint("colors", __name__, url_prefix="/colors")
+
+
+@api.route("/album/<albumhash>")
+def get_album_color(albumhash: str):
+    album = Store.get_album_by_hash(albumhash)
+
+    return {
+        "color": album.colors[0]
+    }