ci: Add a package workflow

Not complete yet, needs to add a release asset still

.github/workflows/package.yml

@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: MIT
+# Creates the package
+
+name: Package
+
+on:
+  workflow_dispatch:
+
+jobs:
+  release-package:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18.x
+      - name: Install dependencies
+        run: |
+          npm install --loglevel verbose
+          npm install @vscode/vsce typescript -g
+      - name: Package
+        run: |
+          npm install && npm run compile && npm prune --production && vsce package