Initial commit

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitmodules

@@ -0,0 +1,16 @@
+[submodule "external/sdl"]
+	path = external/sdl
+	url = https://github.com/libsdl-org/SDL.git
+	branch = release-3.4.x
+[submodule "external/stb"]
+	path = external/stb
+	url = https://github.com/nothings/stb.git
+[submodule "external/simdjson"]
+	path = external/simdjson
+	url = https://github.com/simdjson/simdjson
+[submodule "external/libdatachannel"]
+	path = external/libdatachannel
+	url = https://github.com/paullouisageneau/libdatachannel.git
+[submodule "external/datachannel-wasm"]
+	path = external/datachannel-wasm
+	url = https://github.com/paullouisageneau/datachannel-wasm.git