Add more features to the rendering
Add more features to the rendering

- Allow the zoom to go further than 10x
- Adapt css to dark and high constrast themess
- Use 'javascript/worker' for the wasm graphviz
- Add Ctrl + LeftMouseClick to reset zoom

rust-analyzer/rust-analyzer,rust-analyzer/rust-analyzer,rust-analyzer/rust-analyzer,rust-analyzer/rust-analyzer,rust-analyzer/rust-analyzer