Add comprehensive documentation for SnapForm extension

- Created development.md for development setup and licensing information.
- Added features.md detailing functionalities and usage instructions for developers and users.
- Introduced index.md to serve as a navigation hub for the documentation.
- Developed outputs.md to explain output formats and their specifications.
- Established service.md to describe the AI Service architecture and environment setup.
- Created surface.md to outline the process of converting Image Empty to perspective meshes.

tests/test_image_depth.py

@@ -601,6 +601,21 @@ class ImageDepthTest(unittest.TestCase):
             "img.001.depth",
         )
 
+    def test_moge_map_names_use_source_image_name(self):
+        source_object = SimpleNamespace(
+            name="obj_img",
+            data=SimpleNamespace(name="img.png"),
+        )
+
+        self.assertEqual(
+            self.image_depth.normal_data_name(source_object),
+            "img.normal",
+        )
+        self.assertEqual(
+            self.image_depth.mask_data_name(source_object),
+            "img.mask",
+        )
+
     def test_copy_depth_image_renames_still_source(self):
         class FakeImage:
             def __init__(self, name):