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/auto-release-dev.yml

@@ -0,0 +1,36 @@
+name: Auto-release @dev
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: Auto-release @dev
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@master
+        with:
+          # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
+          fetch-depth: 0
+
+      - name: Setup node
+        uses: actions/setup-node@master
+        with:
+          node-version: 12.x
+          registry-url: https://registry.npmjs.org
+
+      - name: Install dependencies
+        run: yarn
+
+      - name: Prepare release
+        run: yarn prerelease
+
+      - name: Release to @dev channel
+        run: |
+          yarn changeset version --snapshot
+          yarn changeset publish --tag dev
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/create-release-pull-request.yml

@@ -0,0 +1,38 @@
+name: Create release PR
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: Create release PR
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@master
+        with:
+          # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
+          fetch-depth: 0
+
+      - name: Setup node
+        uses: actions/setup-node@master
+        with:
+          node-version: 12.x
+          registry-url: https://registry.npmjs.org
+
+      - name: Install dependencies
+        run: yarn
+
+      - name: Prepare release
+        run: yarn prerelease
+
+      # https://github.com/changesets/action
+      - name: Create release pull request
+        uses: changesets/action@master
+        with:
+          publish: yarn changeset publish
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.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
-