* style: Clean up the repo

* Bolster the `.gitignore`
* Follow `CONTRIBUTING.md` guidelines and wrap `README.md` to 80
  characters and seperate links for readability
* Remove pesky Unicode dash in `CONTRIBUTING.md`
* Remove `.DS_STORE` files
* Rename `#project.yaml#` to something logical and enable stntax
  highlighting

* Updates from reviewers

* Greatly reduce `.gitignore` to only macOS `.DS_Store` and Vim
  temporary files
* Apply markdown style to `docs/index.md`
* small comma grammatical change

* http -> https