chore: rename to main (#1342)

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 Please consider the following before submitting a pull request:
 
-Guidelines for contributing: https://github.com/pure-css/pure/blob/master/CONTRIBUTING.md
+Guidelines for contributing: https://github.com/pure-css/pure/blob/main/CONTRIBUTING.md
 
 Example of changes on an interactive website such as the following:
 

.github/workflows/deploy.yml

@@ -2,7 +2,7 @@ name: Deploy
 
 on:
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   deploy:
@@ -19,7 +19,7 @@ jobs:
           ssh-private-key: ${{ secrets.GH_PAGES_DEPLOY }}
       - name: Release to GitHub Pages
         env:
-          DEPLOYMENT_BRANCH: master
+          DEPLOYMENT_BRANCH: main
           GH_EMAIL: ${{ secrets.GH_EMAIL }}
           GH_NAME: ${{ secrets.GH_NAME }}
           GIT_USER: ${{ secrets.GH_NAME }}

.github/workflows/test.yml

@@ -2,9 +2,9 @@ name: Testing
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
 
 jobs:
   test:

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 Feel free to [open issues][] and send pull requests on GitHub! When sending a
 pull request, please create a new topic/feature branch, and send your pull
-request from that branch. Please do _not_ send pull requests from your `master`
+request from that branch. Please do _not_ send pull requests from your `main`
 branch because this tends to lead to merge conflicts.
 
 In order for us to to merge your pull requests, we need you to review and sign
@@ -18,7 +18,7 @@ contributions along with all other developers who use Pure.
 to open issues or questions in the Issue tab.
 
 [pure]: http://purecss.io/
-[pure-site]: https://github.com/pure-css/pure/tree/master/site
+[pure-site]: https://github.com/pure-css/pure/tree/main/site
 
 ## Building and Testing Pure
 

Gruntfile.js

@@ -173,7 +173,7 @@ module.exports = function (grunt) {
                         'Pure v<%= pkg.version %>',
                         'Copyright 2013 Yahoo!',
                         'Licensed under the BSD License.',
-                        'https://github.com/pure-css/pure/blob/master/LICENSE',
+                        'https://github.com/pure-css/pure/blob/main/LICENSE',
                         '*/\n'
                     ].join('\n')
                 },