Bump version to 0.6.0 in package.json

Merge pull request #1 from holydrug/feature/headless-mode

feat: add --headless flag to launch Chrome without GUI

Update README.md

Fix publish version

Improve debugging. Fix the Chrome start sequence. Add validation of the port accessible.

Fix conflicting proxy on the same port by asking removing it

Improve README.md

Minor visual improvement

Improve docker support

Update README.md

Implement minimal docker support

Add WSL env validation and --version option

Implement installing and uninstall port proxy

Visual improvements