Merge pull request #158 from dnephin/add-main-branch-sync

Add github action to sync main

.github/workflows/sync-main.yaml

@@ -0,0 +1,18 @@
+name: Merge main into master
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  sync:
+    name: Merge main branch
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with: {fetch-depth: 0}
+    - name: merge
+      run: |
+        git checkout master
+        git merge --ff-only main
+        git push origin master

README.md

@@ -314,7 +314,7 @@ gotestsum --watch --format testname
 ## Development
 
 [![Godoc](https://godoc.org/gotest.tools/gotestsum?status.svg)](https://pkg.go.dev/gotest.tools/gotestsum?tab=subdirectories)
-[![CircleCI](https://circleci.com/gh/gotestyourself/gotestsum/tree/master.svg?style=shield)](https://circleci.com/gh/gotestyourself/gotestsum/tree/master)
+[![CircleCI](https://circleci.com/gh/gotestyourself/gotestsum/tree/main.svg?style=shield)](https://circleci.com/gh/gotestyourself/gotestsum/tree/main)
 [![Go Reportcard](https://goreportcard.com/badge/gotest.tools/gotestsum)](https://goreportcard.com/report/gotest.tools/gotestsum)
 
 Pull requests and bug reports are welcome! Please open an issue first for any