update readme file

Author: Shannon-ewingsudds-usace

README.md

@@ -14,3 +14,21 @@ A simple library book management system hosted on GitHub Pages with GitHub Actio
 3. Add a GitHub token with `repo` scope.
 4. Enable GitHub Pages (serve `/frontend`).
 5. Commit and push — you’re live!
+
+---
+name: 📚 Library Update
+about: Submit a request to check out or check in a book
+title: "Library Update Request"
+labels: library
+assignees: ''
+---
+
+Please fill out the JSON below with the correct values.  
+⚠️ Do not change the field names (`barcode`, `user`, `action`).  
+
+```json
+{
+  "barcode": "2010000000007",
+  "user": "John Doe",
+  "action": "checkout"
+}