Add tailwind & landing page

[marcgibbons]

• Add and configure tailwind
• Add and configure prettier plugin
• Add LincolnLoop-branded landing page

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.45%. Comparing base (1df5440) to head (5a1c10f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #140      +/-   ##
==========================================
+ Coverage   82.87%   90.45%   +7.58%     
==========================================
  Files          10       12       +2     
  Lines         146      262     +116     
  Branches        4        4              
==========================================
+ Hits          121      237     +116     
  Misses         22       22              
  Partials        3        3              

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