first backend frontend split

with docker compose file
nextjs something something
also includes migrations

backend/playlist/models/playlist.py

@@ -0,0 +1,8 @@
+from django.db import models
+from .track import Track
+
+class Playlist(models.Model):
+	def __str__(self):
+		return self.name
+	name = models.CharField(max_length=255)
+	tracks = models.ManyToManyField(Track)