release workflow

Author: yeonjuan

.github/workflows/main.yml

@@ -0,0 +1,43 @@
+name: Create Pull Request
+on:
+  schedule:
+    - cron: '0 15 * *  1'
+jobs:
+  createPullRequest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12.x'
+      - name: Install
+        run: npm install
+      - name: Build Lint
+        run: npm run build
+      - name: Run Lint
+        run: npm run lint
+      - name: Release
+        run: |
+          version="$(date +%Y-%m-%d-%S)"
+          npm run build:gitbook
+          cp -R _book/* .
+          git clean -fx _book
+          echo "::set-output name=version::$version"
+        id: release
+      - name: Create Pull Request
+        id: cpr
+        uses: peter-evans/create-pull-request@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: 'release ${{ steps.release.outputs.version }}'
+          committer: GitHub <noreply@github.com>
+          author: GitHub <noreply@github.com>
+          title: 'release ${{ steps.release.outputs.version }}'
+          branch: 'release-${{ steps.release.outputs.version }}'
+          labels: 프로젝트, automated pr
+          reviewers: yeonjuan 
+          base: master
+          body: |
+            ## release
+            - version: ${{ steps.release.outputs.version }}