new apps.lyric.urls, .tests.test_views files to test & execute mock email sending; apps.lyric.models, .tests.test_models now test & execute unique token autogen to integrate w. magic link login using only email; core.settings updated w. new urlpatterns to accommodate

src/apps/lyric/models.py

@@ -1,6 +1,12 @@
+import uuid
 from django.db import models
 
+class Token(models.Model):
+    email = models.EmailField()
+    uid = models.UUIDField(default=uuid.uuid4)
+
 class User(models.Model):
+    id = models.BigAutoField(primary_key=True)
     # email = models.EmailField(primary_key=True)
     email = models.EmailField(unique=True)