New repository for Inspector: https://github.com/Open-Cascade-SAS/Inspector
Documentation and all build process are fully migrated.
"tools" folder keep to share information for some time.
Keep building inspector as before to keep control of API changes via GitHub actions.
Add GitHub Actions for TInspector build and clang-format check
Reorganize QT search to work with native Linux packages
Reorganize build-and-test workflow to have actions
