* Remove extra section from Infrastructure sidebar in the documentation. Also remove cabbit.tech hubs.
* Expand details on running a mainnet node.
* Combine mainnet and testnet node install instructions to a single page.
* Update system requirements.
* Edit system requirements again.
* Add placeholders for new documentation and contributing guidelines.
* Update header, footer, and IndexLayout links to reflect renaming the infrastructure page to 'system-requirements'.
* Fix overwrite from upstream index page layout. Add intro paragraph to running xahaud page.
* Describe different types of nodes, expand contributing.md
* Minor editing and revisions.
* Additional guidelines added.
* Add a placeholder page for 'Updating xahaud'.
* Edited install/system requirements/updating.
* Add instructions for updating Docker containers.
* Add updating local install instructions.
* Add background on enabling validation.
* Add instructions on running xahaud as a validator.
* Minor revisions to enabling validations and interacting with xahaud
* Fixed minor typos and added formatting to the interacting.mdx webpage.
* Add master example xahaud.cfg file to table on install page.
