Switch from master to main

.github/PULL_REQUEST_TEMPLATE.md

@@ -13,6 +13,6 @@ Explain any changes (maybe breaking?) that have been made.
 Remove if no visual changes have been made.
 
 ## Checklist
-- [ ] I have followed [Pull Request guidelines](https://github.com/AlchemyCMS/alchemy_cms/blob/master/CONTRIBUTING.md)
+- [ ] I have followed [Pull Request guidelines](https://github.com/AlchemyCMS/alchemy_cms/blob/main/CONTRIBUTING.md)
 - [ ] I have added a detailed description into each commit message
 - [ ] I have added tests to cover this change

.github/workflows/greetings.yml

@@ -10,4 +10,4 @@ jobs:
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         issue-message: 'Hey. Thanks for reporting this issue and welcome to AlchemyCMS. The maintainer have been notified. Please be patient while waiting for an answer. Open Source is done by volunteers, so give them some time to react. Meanwhile please think about sending a PR that fixes this issue. It is way more likely that it will be accepted than this bug fixed for you. Remember OpenSource is done by all of us. Again, thanks for reporting.'
-        pr-message: 'Hey. Thanks for sending this PR. It is very much appreciated. Please be patient and give the maintainers some time to review your work. Meanwhile make sure that the PR meets our [contributing guidelines](https://github.com/AlchemyCMS/alchemy_cms/blob/master/CONTRIBUTING.md). This mostly means [great commit messages](https://chris.beams.io/posts/git-commit/) and adding tests. Thanks again for your contribution. Your help makes Alchemy better.'
+        pr-message: 'Hey. Thanks for sending this PR. It is very much appreciated. Please be patient and give the maintainers some time to review your work. Meanwhile make sure that the PR meets our [contributing guidelines](https://github.com/AlchemyCMS/alchemy_cms/blob/main/CONTRIBUTING.md). This mostly means [great commit messages](https://chris.beams.io/posts/git-commit/) and adding tests. Thanks again for your contribution. Your help makes Alchemy better.'

.github/workflows/stale.yml

@@ -14,4 +14,4 @@ jobs:
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-issue-message: 'This issue has not seen any activity in a long time. If the issue described still exists in recent versions of Alchemy, please open a new issue or preferably open a PR with a fix. Thanks for reporting.'
-        stale-pr-message: 'This pull request has not seen any activiy in a long time. Probably because of missing tests or a necessary rebase. Please open a new PR to latest master if you want to continue working on this. Thanks for the contribution.'
+        stale-pr-message: 'This pull request has not seen any activiy in a long time. Probably because of missing tests or a necessary rebase. Please open a new PR to latest main if you want to continue working on this. Thanks for the contribution.'

CONTRIBUTING.md

@@ -39,11 +39,11 @@ refactoring and documentation changes require no new tests. If you are adding
 functionality or fixing a bug, we need tests!
 
 4. Push to your fork and submit a pull request. If the changes will apply cleanly
-to the latest stable branches and master branch, you will only need to submit one
+to the latest stable branches and main branch, you will only need to submit one
 pull request.
 
 5. If a PR does not apply cleanly to one of its targeted branches, then a separate
-PR should be created that does. For instance, if a PR applied to master & 2.7-stable but not 2.8-stable, then there should be one PR for master & 2.7-stable and another, separate PR for 2.8-stable.
+PR should be created that does. For instance, if a PR applied to main & 2.7-stable but not 2.8-stable, then there should be one PR for main & 2.7-stable and another, separate PR for 2.8-stable.
 
 At this point you're waiting on us. We like to at least comment on, if not
 accept pull requests. We may suggest some changes or improvements or alternatives.

README.md

@@ -1,7 +1,7 @@
 # AlchemyCMS
 
 [![Gem Version](https://badge.fury.io/rb/alchemy_cms.svg)](http://badge.fury.io/rb/alchemy_cms)
-[![Build Status](https://travis-ci.com/AlchemyCMS/alchemy_cms.svg?branch=master)](https://travis-ci.com/AlchemyCMS/alchemy_cms)
+[![Build Status](https://travis-ci.com/AlchemyCMS/alchemy_cms.svg?branch=main)](https://travis-ci.com/AlchemyCMS/alchemy_cms)
 [![Maintainability](https://api.codeclimate.com/v1/badges/196c56c56568ed24a697/maintainability)](https://codeclimate.com/github/AlchemyCMS/alchemy_cms/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/196c56c56568ed24a697/test_coverage)](https://codeclimate.com/github/AlchemyCMS/alchemy_cms/test_coverage)
 [![Depfu](https://badges.depfu.com/badges/ebe56d2dd7b7044a8ae700cc81212a8e/overview.svg)](https://depfu.com/github/AlchemyCMS/alchemy_cms?project_id=4600)
@@ -18,7 +18,7 @@ Alchemy is an open source CMS engine written in Ruby on Rails.
 
 Read more about Alchemy on the [website](https://alchemy-cms.com) and in the [guidelines](https://guides.alchemy-cms.com).
 
-**CAUTION: This master branch is a development branch that *can* contain bugs. For productive environments you should use the [current Ruby gem version](https://rubygems.org/gems/alchemy_cms), or the [latest stable branch (5.0-stable)](https://github.com/AlchemyCMS/alchemy_cms/tree/5.0-stable).**
+**CAUTION: This main branch is a development branch that *can* contain bugs. For productive environments you should use the [current Ruby gem version](https://rubygems.org/gems/alchemy_cms), or the [latest stable branch (5.0-stable)](https://github.com/AlchemyCMS/alchemy_cms/tree/5.0-stable).**
 
 
 ## ✅ Features