Smaller fixes for rewrite

[mrjvs]

Checked Existing

• I have checked the repository for duplicate issues.

What enhancement would you like to see?

This is a container issue for all of the smaller tasks.

Here is the list:

• Add Bluesky account to the footer #376
• [Bug]: RSS feed is not valid #371
• [Enhancement]: Update the Blog RSS Feed to include the content #310
• RSS button is too small, make it more noticable
• Automatic copyright year in the footer
• Make the button to edit a Mii more obvious
• Permanent discord invite link (create new link using cloudflare redirects: https://discord.pretendo.network)

Any other details to share? (OPTIONAL)

No response