store playcount and duration on the track table

+ allow sorting all items with those two
+ add methods to update scrobble info

app/models/album.py

@@ -29,6 +29,9 @@ class Album:
     title: str
     trackcount: int
     is_favorite: bool
+    lastplayed: int
+    playcount: int
+    playduration: int
     extra: dict
 
     type: str = "album"

app/models/artist.py

@@ -48,6 +48,9 @@ class Artist:
     name: str
     trackcount: int
     is_favorite: bool
+    lastplayed: int
+    playcount: int
+    playduration: int
     extra: dict
 
     image: str = ""

app/models/track.py

@@ -29,6 +29,9 @@ class Track:
     track: int
     trackhash: str
     extra: dict
+    lastplayed: int
+    playcount: int
+    playduration: int
 
     is_favorite: bool = False
     _pos: int = 0