Add release and publish workflows

Author: bidoubiwa

.github/release-draft-template.yml

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+name-template: 'v$RESOLVED_VERSION 🌻'
+tag-template: 'v$RESOLVED_VERSION'
+exclude-labels:
+  - 'skip-changelog'
+version-resolver:
+  minor:
+    labels:
+      - 'breaking-change'
+  default: patch
+categories:
+  - title: 'Breaking changes ⚠️'
+    label: 'breaking-change'
+template: |
+  ## Changes
+
+  $CHANGES
+
+  Thanks again to $CONTRIBUTORS! 🎉
+no-changes-template: 'Changes are coming soon 😎'
+sort-direction: 'ascending'
+replacers:
+  - search: '/(?:and )?@dependabot-preview(?:\[bot\])?,?/g'
+    replace: ''
+  - search: '/(?:and )?@dependabot(?:\[bot\])?,?/g'
+    replace: ''
+  - search: '/(?:and )?@bors(?:\[bot\])?,?/g'
+    replace: ''
+  - search: '/(?:and )?@meili-bot,?/g'
+    replace: ''

.github/workflows/publish.yml

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+name: publish to npm
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - name: Install dependencies
+        run: yarn install
+      - name: Build
+        run: yarn build
+      - name: Check release validity
+        run: sh scripts/check-release.sh
+      - name: Publish
+        run: npm publish .
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        with:
+          config-name: release-draft-template.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_DRAFTER_TOKEN }}

scripts/check-release.sh

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+#!/bin/sh
+
+# Checking if current tag matches the package version
+current_tag=$(echo $GITHUB_REF | tr -d 'refs/tags/v')
+file_tag=$(grep '"version":' package.json | cut -d ':' -f 2- | tr -d ' ' | tr -d '"' | tr -d ',')
+if [ "$current_tag" != "$file_tag" ]; then
+  echo "Error: the current tag does not match the version in package file(s)."
+  echo "$current_tag vs $file_tag"
+  exit 1
+fi
+
+echo 'OK'
+exit 0