Added go fmt check to circleci. Applied go fmt ./... to the entire project

[filipecosta90]

No description provided.

[codecov]

Codecov Report

Merging #75 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #75   +/-   ##
=======================================
  Coverage   76.14%   76.14%           
=======================================
  Files          12       12           
  Lines        1203     1203           
=======================================
  Hits          916      916           
  Misses        227      227           
  Partials       60       60           

Impacted Files	Coverage Δ
redisearch/autocomplete.go	55.67% <ø> (ø)
redisearch/client.go	80.15% <100.00%> (ø)
redisearch/document.go	72.58% <100.00%> (ø)
redisearch/reducer.go	76.00% <100.00%> (ø)
redisearch/schema.go	86.71% <100.00%> (ø)

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