[feat] add user and add event

backend/project/api/events/models.py

@@ -0,0 +1,15 @@
+from django.db import models
+
+from api.core.models import BaseModel
+
+
+class Event(BaseModel):
+    title = models.CharField(max_length=255)
+    users = models.ManyToManyField(
+        "users.User",
+        related_name="events",
+        blank=True,
+    )
+
+    def __str__(self):
+        return self.title