Update default branch to main

Author: dcodeIO

.github/workflows/publish.yml

@@ -2,15 +2,15 @@ name: Publish
 on:
   push:
     branches:
-    - master
+    - main
 jobs:
   release:
     name: Release
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
       with:
-        ref: master
+        ref: main
     - uses: actions/setup-node@v1
       with:
         node-version: '14'