added circle build

.circleci/config.yml

@@ -0,0 +1,25 @@
+# Golang CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-go/ for more details
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version
+      - image: circleci/golang:1.10
+
+    working_directory: /go/src/github.com/warren-veerasingam/terraform-switcher
+
+    steps:
+      - checkout
+
+      # specify any bash command here prefixed with `run: `
+      - run: go get -v -t -d ./...
+      - run: go vet -tests=false ./...
+      - run: go test -v ./...
+      - run: mkdir -p build
+      - run: go build -v -o build/tfswitch
+
+      - persist_to_workspace:
+          root: build
+          paths: tfswitch