Add publish step (#16)

* feat: tsdown

* fix: formatting

* automate version updates in cli

* fix: docs

* scenarios

* fix: commander deps

* Add publish step

* add publish step

* add tsgo

* delete old scenario

* tidy package and license

* bugs link

* combo build/test

* combo, and release type

* prepack

---------

Co-authored-by: Matt Carey <mcarey@cloudflare.com>

.github/workflows/pr-publish.yml

@@ -0,0 +1,27 @@
+name: Publish PR to pkg.pr.new
+permissions:
+  contents: read
+on:
+  pull_request:
+  push:
+    branches:
+      - '**'
+    tags:
+      - '!**'
+
+jobs:
+  pr-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: npm
+
+      - run: npm ci
+      - name: Build
+        run: npm run build
+      - name: Publish
+        run: npx pkg-pr-new publish