show artist decade in genres

+ assign default artist separators if db is empty
+ add instrumental to album version
+ check if album is a single by checking og_title and current title
+ hard code juice wrld artist name in model
+ set album aritst to first artist if track has no album artist
+ rewrite get_base_album_title regex to use existing album versions
+ misc

app/models/artist.py

@@ -19,6 +19,10 @@ class ArtistMinimal:
         self.artisthash = create_hash(self.name, decode=True)
         self.image = self.artisthash + ".webp"
 
+        # hack to override all the variations from unreleased files (sorry guys!)
+        if self.artisthash == "5a37d5315e":
+            self.name = "Juice WRLD"
+
 
 @dataclass(slots=True)
 class Artist(ArtistMinimal):