* Add functionality to respect .gitignore

Link: https://github.com/sobolevn/misspell-fixer-action
Marketplace: https://github.com/marketplace/actions/misspell-fixer-action

 * Convert example links to https
 * make man
 * Fix spelling
 * Shellcheck fixes
 * Bashate styling
 * Get rid of xxxs
 * Yamllint fixes

* Add Dockerfile and amend readme to cover the potentially interesting use cases.

Fix test.
Add tests for dots, -D, multiple target arguments.
Fix a typo.

*.xz,  *.pdf,  *.woff, *.woff2

fix mis-spellings in project readme :)