Separate interface and base_url for serve
You can now have a different base_url and listening interface.
The `gutenberg serve` cmd now accepts `-u`/`--base-url`, but it defaults to `127.0.0.1`.
* Finishing up site
* Make site a bit responsive
* Fix menu responsiveness
* Remove Fira Sans and revamp a bit text
* Update list of syntax and change output of syntax
* Add Rust mention
* Some doc tweaks
* Correct capitalization for GitHub
Correct capitalization for GitHub
* Some CSS tweaks
* More css tweaks + favicon
* Add link to my site