Move contents from personal projects

.gitignore

learning-git/LICENSE

learning-git/README.md

learning-git/exercices/README.md

learning-git/project/README.md

learning-git/project/linux/README.md

learning-git/project/linux/branches/README.md

learning-git/project/linux/functions/README.md

learning-git/project/linux/functions/greetings.sh

learning-git/project/linux/gogs_issues/README.md

learning-git/project/linux/pull_master/README.md

learning-git/project/linux/pull_request/README.md

learning-git/project/linux/review/README.md

learning-git/project/linux/run.sh

learning-git/project/linux/working_environment/README.md

learning-git/project/linux/working_environment/env.sh

learning-git/project/windows/README.md

learning-git/project/windows/branches/README.md

learning-git/project/windows/branching-website.html

learning-git/project/windows/functions/README.md