chore: add missing license and clearer status check

Author: jamesbhobbs

.github/workflows/ci.yml

@@ -71,3 +71,21 @@ jobs:
 
       - name: Check licenses
         run: npm run check-licenses
+  check_licenses:
+    name: Check Licenses
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v5
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+        
+      - name: Check Licenses
+        run: npm run check-licenses

package.json

@@ -2055,7 +2055,7 @@
         "build:prerelease": "cross-env IS_PRE_RELEASE_VERSION_OF_JUPYTER_EXTENSION=true npm run build",
         "build:stable": "cross-env IS_PRE_RELEASE_VERSION_OF_JUPYTER_EXTENSION=false npm run build",
         "build": "concurrently npm:compile-release npm:updatePackageJsonForBundle",
-        "check-licenses": "npx license-checker-rseidelsohn --onlyAllow 'MIT;Apache-2.0;ISC;BSD-2-Clause;BSD-3-Clause;0BSD;Python-2.0;CC0-1.0;CC-BY-3.0;CC-BY-4.0;Unlicense;BlueOak-1.0.0' --excludePrivatePackages",
+        "check-licenses": "npx license-checker-rseidelsohn --onlyAllow 'MIT;Apache-2.0;ISC;BSD-2-Clause;BSD-3-Clause;0BSD;Python-2.0;CC0-1.0;CC-BY-3.0;CC-BY-4.0;Unlicense;BlueOak-1.0.0;MPL-2.0' --excludePrivatePackages",
         "checkDependencies": "gulp checkDependencies",
         "clean": "gulp clean",
         "compile-esbuild-watch": "npx tsx build/esbuild/build.ts --watch",