[WIP] Improve logout

[kmjennison]

• Clear local storage
• Clear cache and local storage before signing out

[vercel]

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[codecov]

Codecov Report

Merging #227 (4a321fd) into master (32240d7) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #227   +/-   ##
=======================================
  Coverage   92.04%   92.04%           
=======================================
  Files         112      112           
  Lines        1822     1822           
  Branches      455      455           
=======================================
  Hits         1677     1677           
  Misses        130      130           
  Partials       15       15           

Impacted Files	Coverage Δ
src/utils/auth/logout.js	100.00% <100.00%> (ø)

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