Mikołaj Radkowski

I mostly moved things around and renamed them. The important changes: - Shared memory resize is now synchronized - `WebRendererThread` asks `process_helper` to stop using the shared memory (drop it)...

- [x] Simplify thread state - [x] Simplify communication compositor chromium

- [ ] Handle inputs with different framerates - [ ] Proper input state handling

This PR adds bare minimum to make the wasm compositor work with our react sdk. It implements simple queue, mp4 input and canvas output. Not everything is fully implemented (i.e....

- Support major web platforms - [x] Chrome (tested on Windows, MacOS and Linux) - [x] Firefox (tested on Windows, MacOS and Linux) - [x] Safari - [ ] (maybe)...

Error returned by `render()`: `Uncaught RangeError: Array buffer allocation failed`

User shaders don't work due to lack of `TEXTURE_BINDING_ARRAY` feature