Add snapshot workflow

.github/workflows/snapshot.yml

@@ -0,0 +1,32 @@
+name: Snapshot
+
+on: workflow_dispatch
+
+jobs:
+  release:
+    name: Publish snapshot version
+    runs-on: ubuntu-latest
+    env:
+      CI: true
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: pnpm/action-setup@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          cache: pnpm
+          node-version-file: package.json
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Publish
+        uses: seek-oss/changesets-snapshot@v0
+        env:
+          GITHUB_TOKEN: ${{ secrets.SEEK_OSS_CI_GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}