Add release workflow (#10)

* Add release workflow

* Escape dots in regex

* Revert "Escape dots in regex"

This reverts commit ec5cdf8.

Author: mattt

.github/workflows/release.yml

@@ -0,0 +1,19 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Create Release
+        run: gh release create ${{ github.ref_name }} --generate-notes
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}