* fix windows quickstart guide
* drop requirement to have git from both Windows and Linux/macOS guides
* minor updates to the Linux/macOS testnet guide
* Remove unused entries. Links to codex-testnet-starter.
* Add steps to get Codex on Windows
---------
Co-authored-by: Slava <20563034+veaceslavdoina@users.noreply.github.com>
* Add links to the existing guides on Run Codex page
* Add Codex/Geth bootstrap nodes and endpoints to the Testnet page
* Initial version of the Quick start page
* Fix bad links on Quick start page
* Install dependencies in Quick start guide
* minor language upgrades
* Copies over disclaimer from testnet-starter repo
* octet-stream type for upload
* Add Disclaimer Codex page to the sidebar
* Adjust Quick start guide to auto-detect platform and architecture
---------
Co-authored-by: Ben <thatbenbierens@gmail.com>
