replace gofmt with goimports (#64)

Co-authored-by: Marina Limeira <marina@gruntwork.io>

.circleci/config.yml

@@ -38,6 +38,8 @@ jobs:
       - run:
           command: |
             pip install pre-commit==1.21.0 cfgv==2.0.1 zipp==1.1.0 yapf
+            go get golang.org/x/tools/cmd/goimports
+            export GOPATH=~/go/bin && export PATH=$PATH:$GOPATH 
             pre-commit install
             pre-commit run --all-files
 

.pre-commit-config.yaml

@@ -3,5 +3,5 @@ repos:
     rev: v0.1.10
     hooks:
       - id: terraform-fmt
-      - id: gofmt
+      - id: goimports