Update api spec (#127)

* YOYO NEW API SPEC!

* bump version

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* some fixes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fixes #128

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* mypy fixes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fixes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fixes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

kittycad/models/file_export_format.py

@@ -4,7 +4,21 @@ from enum import Enum
 class FileExportFormat(str, Enum):
     """The valid types of output file formats."""  # noqa: E501
 
-    """# glTF 2.0. We refer to this as glTF since that is how our customers refer to it, although by default it will be in binary format and thus technically (glb). """  # noqa: E501
+    """# Autodesk Filmbox (FBX) format. <https://en.wikipedia.org/wiki/FBX> """  # noqa: E501
+    FBX = "fbx"
+    """# Binary glTF 2.0.
+
+This is a single binary with .glb extension.
+
+This is better if you want a compressed format as opposed to the human readable glTF that lacks compression. """  # noqa: E501
+    GLB = "glb"
+    """# glTF 2.0. Embedded glTF 2.0 (pretty printed).
+
+Single JSON file with .gltf extension binary data encoded as base64 data URIs.
+
+The JSON contents are pretty printed.
+
+It is human readable, single file, and you can view the diff easily in a git commit. """  # noqa: E501
     GLTF = "gltf"
     """# The OBJ file format. <https://en.wikipedia.org/wiki/Wavefront_.obj_file> It may or may not have an an attached material (mtl // mtllib) within the file, but we interact with it as if it does not. """  # noqa: E501
     OBJ = "obj"