Release 2.1.1 docs

[ciarams87]

Update docs for 2.1.1 release

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.94%. Comparing base (d42d0fb) to head (4a5a612).
⚠️ Report is 1 commits behind head on release-2.1.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-2.1    #3833      +/-   ##
===============================================
- Coverage        86.95%   86.94%   -0.01%     
===============================================
  Files              128      128              
  Lines            16001    16001              
  Branches            62       62              
===============================================
- Hits             13913    13912       -1     
- Misses            1920     1922       +2     
+ Partials           168      167       -1     

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[salonichf5]

lgtm