feat(workflows): add a build-tokens workflow

.github/workflows/build-tokens.yaml

@@ -3,7 +3,7 @@ on:
   pull_request:
     types: [opened, synchronize, edited, reopened]
     paths:
-      - 'packages/tokens'
+      - 'packages/tokens/**'
 
 jobs:
   build:
@@ -27,7 +27,12 @@ jobs:
         uses: actions/github-script@v7
         with:
           script: |
+            const fs = require('fs')
+            const input = JSON.parse(fs.readFileSync('packages/tokens/tokenstudio-generated/tokens.json', 'utf8'))
+
             return `# Build Tokens
+            - Input:
+            <pre>${JSON.stringify(input, null, 2)}</pre>
             `
 
       - name: Output Summary