Revert "chore: remove circleci branch filter"

This reverts commit ee982a8e.

Revert "chore: remove circleci branch filter"
7871f6c0 · Rhys Arkins · ee982a8e · 7871f6c0
Commit 7871f6c0 authored 5 years ago by Rhys Arkins
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -55,3 +55,13 @@ jobs:
          name: Coverage
          command: |
            yarn codecov
+workflows:
+  version: 2
+  build_and_test:
+    jobs:
+      - setup:
+          filters:
+            branches:
+              only:
+                - master