Add lodash types for dev-environment

[jaybarra]

Adds the typing for lodash when using LSPs

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.36%. Comparing base (a8db4bf) to head (6e21386).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #345   +/-   ##
=======================================
  Coverage   88.36%   88.36%           
=======================================
  Files          24       24           
  Lines        1169     1169           
  Branches      257      257           
=======================================
  Hits         1033     1033           
  Misses        136      136           

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