Add a simple JSR publish workflow (#78)

.github/workflows/jsr-publish.yaml

@@ -0,0 +1,18 @@
+name: Publish
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Publish package
+        run: npx jsr publish