Update api spec (#411)

* YOYO NEW API SPEC!

* I have generated the latest API!

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

kittycad/models/api_endpoint.py

@@ -0,0 +1,15 @@
+from enum import Enum
+
+
+class ApiEndpoint(str, Enum):
+    """Types of API endpoints."""  # noqa: E501
+
+    """# The modeling API. """  # noqa: E501
+    MODELING = "modeling"
+    """# Machine learning API. """  # noqa: E501
+    ML = "ml"
+    """# File API. """  # noqa: E501
+    FILE = "file"
+
+    def __str__(self) -> str:
+        return str(self.value)