chore: add npm publish workflow with nightly releases

.github/workflows/publish-release.yml

@@ -0,0 +1,57 @@
+name: Publish release to npm
+on:
+  workflow_dispatch:
+    inputs:
+      release-type:
+        description: Type of release to publish.
+        type: choice
+        options:
+          - stable
+          - nightly
+          - beta
+          - rc
+        default: stable
+      version:
+        description: Specific version to publish (usually inferred from x.y-stable branch name).
+        type: string
+        required: false
+        default: ''
+      dry-run:
+        description: Whether to perform a dry run of the publish.
+        type: boolean
+        default: true
+
+jobs:
+  npm-build:
+    if: github.repository == 'software-mansion-labs/react-native-streamdown'
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      id-token: write # for OIDC
+
+    concurrency:
+      group: publish-${{ github.ref }}
+      cancel-in-progress: false
+
+    steps:
+      - name: Check out
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Setup Node
+        uses: actions/setup-node@v6
+        with:
+          node-version: 24
+          cache: 'yarn'
+          registry-url: https://registry.npmjs.org/
+
+      - name: Publish release
+        uses: software-mansion-labs/npm-package-publish@main
+        with:
+          package-name: 'react-native-streamdown'
+          package-json-path: 'package.json'
+          install-dependencies-command: 'YARN_ENABLE_IMMUTABLE_INSTALLS=false yarn install'
+          release-type: ${{ inputs.release-type }}
+          version: ${{ inputs.version }}
+          dry-run: ${{ inputs.dry-run }}
+