Add game app with group and music video models, views, and templates

game/models.py

@@ -0,0 +1,24 @@
+from django.contrib.auth.models import User
+from django.db import models
+from django.urls import reverse
+
+
+class Group(models.Model):
+    name = models.CharField(verbose_name="Nom du groupe")
+    owner = models.ForeignKey(
+        User, on_delete=models.CASCADE, related_name="owned_group_set"
+    )
+    members = models.ManyToManyField(User, blank=True)
+
+    def get_absolute_url(self):
+        return reverse("group_detail", kwargs={"pk": self.pk})
+
+    class Meta:
+        unique_together = ["name", "owner"]
+
+
+class MusicVideo(models.Model):
+    yt_id = models.CharField(max_length=16)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    group = models.ForeignKey(Group, on_delete=models.CASCADE)
+    blacklisted = models.BooleanField(default=False)