Add changesets (#4154)

* add first changesets integration

* remove readme

* readd readme

* update auto-release workflow logic

* update auto-release script order, fix prettier

* change access to public

* update release script

* try to fix changesets

* add experimental snapshot version config

* try fixing

* remove excess

* switch auto-release branch to master

* add release pull request workflow

* add changeset todo to pr template

* update changeset

.github/workflows/release.yml

@@ -1,16 +0,0 @@
-name: Release
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
-        with:
-          node-version: '14'
-      - run: |
-          git config --global user.name 'Automation'
-          git config --global user.email 'ianstormtaylor@users.noreply.github.com'
-          yarn
-          yarn internal:release:next
-