Maintain - Add IOTA-core docs

[lucas-tortora]

Description of change

• Added IOTA core docs
• Added IOTA core validator setup guide
• Updated the docker setup guide

TODO

1. Update testnet info
2. Add CLI-wallet link
3. Update API Ref link
4. Review config and peering

Type of change

• Documentation Enhancement

Change checklist

Tick the boxes that are relevant to your changes, and delete any items that are not.

• [ ] I have followed the contribution guidelines for this project
• [ ] I have performed a self-review of my own changes
• [ ] I have made sure that added/changed links still work
• [ ] I have commented my code, particularly in hard-to-understand areas

[github-actions[bot]]

This pull request has been deployed to Vercel.

Latest commit: c36520a332a4c789c3a8fae6bc2acf478044666f

:white_check_mark: Preview: https://iota-wiki-ecb8cmc98-iota1.vercel.app

[github-actions[bot]]

This pull request has been deployed to Vercel.

Latest commit: 5c01228165b4d0063366d6fa06b7d63bbb64d64b

:white_check_mark: Preview: https://iota-wiki-7d9hsq7rc-iota1.vercel.app

[github-actions[bot]]

This pull request has been deployed to Vercel.

Latest commit: 55e13e38372720ac6f27068ab61d1883cec37cb7

:white_check_mark: Preview: https://iota-wiki-pg1m4rpom-iota1.vercel.app

[github-actions[bot]]

This pull request has been deployed to Vercel.

Latest commit: 76e738da12b799042f022cbc542eb6b4a342101b

:white_check_mark: Preview: https://iota-wiki-a7pv51xrh-iota1.vercel.app