Update api spec (#107)

* YOYO NEW API SPEC!

* I have generated the latest API!

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kittycad/models/direction.py

@@ -0,0 +1,13 @@
+from enum import Enum
+
+
+class Direction(str, Enum):
+    """Specifies the sign of a co-ordinate axis."""  # noqa: E501
+
+    """# Increasing numbers. """  # noqa: E501
+    POSITIVE = "positive"
+    """# Decreasing numbers. """  # noqa: E501
+    NEGATIVE = "negative"
+
+    def __str__(self) -> str:
+        return str(self.value)