give admin user "admin" capability

api/kiwi_vpn_api/db/schemas.py

@@ -128,12 +128,16 @@ class User(UserBase):
         self,
         db: Session,
         capabilities: list[UserCapability],
-    ) -> bool:
+    ) -> None:
         for capability in capabilities:
-            # TODO
-            pass
+            if capability not in self.capabilities:
+                cap = models.UserCapability(
+                    user_name=self.name,
+                    capability=capability.value,
+                )
+                db.add(cap)
 
-        return True
+        db.commit()
 
 
 class DistinguishedNameBase(BaseModel):