Publish to NPM via GitHub Actions

Rm dry-run

Add cache and change Node version to 14

Update the readme

.github/workflows/publish.yml

@@ -0,0 +1,28 @@
+name: NPM Package
+
+on:
+  push:
+    branches: [ release ]
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - name: Cache Node.js modules
+        uses: actions/cache@v2
+        with:
+          # npm cache files are stored in `~/.npm` on Linux/macOS
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.OS }}-node-
+            ${{ runner.OS }}-
+      - run: npm install
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}

README.md

@@ -135,11 +135,16 @@ If you want to use [the VS Code - Debugger for Chrome](https://github.com/Micros
 ## Editing documentation
 The homepage and documentation files are maintained in the [`gh-pages` branch](https://github.com/katspaugh/wavesurfer.js/tree/gh-pages). Contributions to the documentation are especially welcome.
 
+## Updating the NPM package
+When preparing a new release, update the version in the `package.json` and have it merged to master. Also don't forget to update the changelog.
+
+Once the updated version is on master, create a pull request to the protected `release` branch. When it's merged (please use the rebase option on GitHub), a new version of the package will be published to NPM.
+
 ## Credits
 
-Initial idea by [Alex Khokhulin](https://github.com/xoxulin). Many
-thanks to
-[the awesome contributors](https://github.com/katspaugh/wavesurfer.js/contributors)!
+The main maintainer: <img src="https://avatars.githubusercontent.com/u/305679" width="16" height="16" /> [Thijs Triemstra](https://github.com/thijstriemstra)
+
+Many thanks to [all the awesome contributors](https://github.com/katspaugh/wavesurfer.js/contributors)!
 
 ## License