Adding Bluesky profile link (SCP-5876)

[bistline]

BACKGROUND & CHANGES

This update adds a link to the SCP Bluesky profile, as well as updating our DNS to use our hostname as the username.

New social media icon for Blueksy:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.15%. Comparing base (867415d) to head (2c2cf0a).
Report is 19 commits behind head on development.

Additional details and impacted files

@@               Coverage Diff               @@
##           development    #2182      +/-   ##
===============================================
- Coverage        70.18%   70.15%   -0.03%     
===============================================
  Files              332      332              
  Lines            28150    28173      +23     
  Branches          2467     2368      -99     
===============================================
+ Hits             19757    19765       +8     
- Misses            8246     8261      +15     
  Partials           147      147              

see 11 files with indirect coverage changes

[jlchang]

Checked out the new footer locally, looks great! Love the new, verified handle too!

[eweitz]

Nice! Nit, non-blocking: maybe put the Bluesky icon right beside the Twitter icon?

[bistline]

Nice! Nit, non-blocking: maybe put the Bluesky icon right beside the Twitter icon?
Done!