ci: add packages release workflow (#3)

.github/changeset-version.js

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+// ORIGINALLY FROM CLOUDFLARE WRANGLER:
+// https://github.com/cloudflare/wrangler2/blob/main/.github/changeset-version.js
+
+import { exec } from "child_process"
+
+// This script is used by the `release.yml` workflow to update the version of the packages being released.
+// The standard step is only to run `changeset version` but this does not update the package-lock.json file.
+// So we also run `npm install`, which does this update.
+// This is a workaround until this is handled automatically by `changeset version`.
+// See https://github.com/changesets/changesets/issues/421.
+exec("npx changeset version")
+exec("npm install")

.github/workflows/release.yml

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+name: Release next-youtube-livechat
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - packages\next-youtube-livechat
+  workflow_dispatch: {}
+
+jobs:
+  release:
+    name: Create a PR for release workflow
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Restore project deps
+        run: npm ci
+
+      # - name: Check for errors
+      #   run: pnpm check
+
+      - name: Build the package next-youtube-livechat
+        run: cd packages/next-youtube-livechat && npm run build
+
+      - name: Lint check
+        run: npm run lint
+
+      - name: Code format check
+        run: npm run format
+
+      - name: Typescript check
+        run: npm run typecheck
+
+      - name: Create Version PR or Publish to NPM
+        id: changesets
+        uses: changesets/action@v1.4.7
+        with:
+          commit: "chore(release): version packages"
+          title: "chore(release): version packages"
+          version: node .github/changeset-version.js
+          publish: npx changeset publish
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
+          NODE_ENV: "production"

.prettierignore

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+.prettierignore
+**/.next/**
+**/_next/**
+**/dist/**