combine userdata and swing db into one

+ port populate to new db interface
+ add genrehashes and hash info to tracks
+ properly structure new db table files
+ move helpers to dedicated utils file
+ move settings from db to config file
+ move artists, albums, auth and favorites endpoint to new db interface
+ use folder store to index filepaths
+ paginate favorite pages
+ 56 moretiny changes 😅

app/models/user.py

@@ -5,19 +5,15 @@ import json
 @dataclass(slots=True)
 class User:
     id: int
-    username: str
-    firstname: str
-    lastname: str
-    password: str
-    email: str
     image: str
+    password: str
+    username: str
+    roles: list[str]
+    extra: dict[str, str] = field(default_factory=dict)
 
     # NOTE: roles: ['admin', 'user', 'curator']
     roles: list[str] = field(default_factory=lambda: ["user"])
 
-    def __post_init__(self):
-        self.roles = json.loads(self.roles)
-
     def todict(self):
         this_dict = asdict(self)
         del this_dict["password"]
@@ -28,5 +24,5 @@ class User:
         return {
             "id": self.id,
             "username": self.username,
-            "firstname": self.firstname,
+            "firstname": self.extra["firstname"] if self.extra else "",
         }