`to save and exist.` -> `to save and exit`
need to make vim safe again

* Extra note git pull origin pull...

Added a note what to do when you get merge conflicts and to be aware of this.

* docker instructions windows

* Update docs/how-to-test-a-pr.md

* A

* file naming standard
Fixes #491

* Revert "A"

This reverts commit 1c225fed753554098069597a2bbcbe08213b76a1.

* rename

* Revert "rename"

This reverts commit 65fd916faf8530ce258cc2b475c93971468680fe.

* Revert "file naming standard"

This reverts commit 6ca5a703a9e9d59f9c773029e4c04bfd012b6abb.

* bye

* Hi

* Create the-staging-branch.md

* 1

* Delete how-to-create-a-PR.md

* Create how-to-create-a-pr.md

* werafgt

* Update the-modular-structure.md

* wef