How to: :information_source: &nbsp;Contributing
If you find something which doesn't make sense, or something doesn't seem right, please make a pull request and please add valid and well-reasoned explanations about your changes or comments.

A few simple rules for this project:

- inviting and clear
- not tiring
- useful

These below rules may be better:

- easy to contribute to (Markdown + HTML ...)
- easy to find (simple TOC, maybe it's worth extending them?)

Url marked **\*** is temporary unavailable. Please don't delete it without confirming that it has permanently expired.

Before adding a pull request, please see the **[contributing guidelines](.github/CONTRIBUTING.md)**. You should also remember about this:

```diff
+ This repository is not meant to contain everything but only good quality stuff.
```

All **suggestions/PR** are welcome!