chore: change main project to root directory

[fmiras]

• Separated .gitignore files (so the example has its own)
• Removed linter from example (so it's as minimum as possible)
• Changed tsconfig.json to exclude example
• Change some package.json keywords

[tmilar]

Can we merge this PR @fmiras?

[github-actions[bot]]

:tada: This PR is included in version 0.8.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: