Added documentation FAQ

content/en/docs/guides/contributor-guides/doc-faq.md

@@ -0,0 +1,16 @@
+---
+title: Nephio Documentation System FAQ
+description: >
+  Frequently Asked Questions on the Nephio Documentation system
+weight: 5
+---
+
+#   Frequently Asked Questions on the Nephio Documentation system
+
+1. How do I check the documentation links on the documentation before I check in my changes?
+
+    Install and run *linkspector*
+    ```
+    npm install -g @umbrelladocs/linkspector
+    linkinspector check -c .linkspector.yml
+    ```