Add buy xch page

[BrandtH22]

Thank you for your contribution to ChiaLinks

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Type of Change

• Add/update/delete link
• Add/update/delete news mention
• Add/update/delete roadmap item
• Update FAQ
• Update custom page (e.g. wallets, donations etc.)
• Other site update (reference issue #)

Link and News updates

Added

• page focused on buy xch

Updated

• Updated information regarding wallet

Removed

• I removed (commented out) a number of links that 404 and wallets that are no longer available

Other updates

• Description here

Reviewers/Approvers

• @SlowestTimelord
• @cmmarslender

Note that updates to the donate.md page will specifically require approval from @cmmarslender.

[SlowestTimelord]

Thanks for cleaning up links and adding a buy XCH page! I'd make some of these changes myself but it's not easy on the road -- let me know if you have any questions about the comments/suggestions!

[SlowestTimelord]

Thanks for incorporating the suggestions! I think the PR is fine but a couple more things to consider:

• Removing Chia Cloud Wallet (testnet) entry
• The top nav bar is getting crowded, I would consider removing one or more of the existing link - maybe ecosystem map since it's fairly out of date.

[SlowestTimelord]

LGTM