Update git files

.gitignore

@@ -22,7 +22,6 @@ CMakeLists.txt.user
 Thumbs.db
 ehthumbs.db
 Desktop.ini
-.DS_Store
 
 # commonly used paths in blender
 /blender.bin
@@ -39,9 +38,8 @@ Desktop.ini
 /doc/python_api/sphinx-out/
 /doc/python_api/rst/bmesh.ops.rst
 
-# in-source lib downloads and staging
+# in-source lib downloads
 /build_files/build_environment/downloads/
-/build_files/build_environment/windows/build/
 
 # in-source buildbot signing configuration
 /build_files/buildbot/codesign/config_server.py
@@ -68,8 +66,6 @@ waveletNoiseTile.bin
 /release/datafiles/locale/
 /release/scripts/addons_contrib/
 /source/tools/
-/release/datafiles/assets/
-/tests/data/
 
 # Build files for VS and VS Code.
 /build/
@@ -77,12 +73,3 @@ waveletNoiseTile.bin
 CMakeSettings.json
 CMakePresets.json
 CMakeUserPresets.json
-
-# Compile commands generated by CMake that may be linked into the source code
-# folder to make it easier for tools like clangd to discover.
-compile_commands.json
-
-# Temporary Blender files.
-blendcache_*
-*.blend1
-*.blend2

.gitmodules

@@ -23,3 +23,12 @@
 	path = lib/windows_arm64
 	url = https://projects.blender.org/blender/lib-windows_arm64.git
 	branch = blender-v4.3-release
+[submodule "release/datafiles/assets"]
+	path = release/datafiles/assets
+	url = https://projects.blender.org/blender/blender-assets.git
+	branch = blender-v4.3-release
+[submodule "tests/data"]
+	update = none
+	path = tests/data
+	url = https://projects.blender.org/blender/blender-test-data.git
+	branch = blender-v4.3-release