Add more TODO items in README

Author: gilzoide

README.md

@@ -193,7 +193,12 @@ return LuaBouncingLogo
 - [X] Lua ScriptLanguageExtension
   + [X] Add support for property hints / usage flags (including export)
   + [X] Add support for property getter / setter
+  + [ ] Add `export_*` functions mimicking GDScript annotations for better UX
 - [ ] Support for building with LuaJIT
+- [ ] Support WebAssembly platform
+- [ ] Support Windows arm64 platform
+- [ ] Support Linux arm32, arm64 and rv64 platform
+- [ ] Use framework in iOS (possibly a xcframework supporting the iOS simulator as well)
 - [X] Automated unit tests
 - [X] Automated build and distribution
 - [ ] Lua REPL editor plugin