add compile step in circleci

.circleci/config.yml

@@ -11,6 +11,11 @@ jobs:
           name: Run tests
           command: |
             ./test.sh
+      - run:
+          name: Compile project on every platform
+          command: |
+            go get github.com/mitchellh/gox
+            gox
       - run:
           name: Push on codecov result
           command: |