[CORD-732] GUI Documentation

Change-Id: Ib2f86f9b646776868f314373de917ba4955bceea
(cherry picked from commit 896dd8b07378d856cb1bb0a3348980bb13de967e)
diff --git a/book.json b/book.json
new file mode 100644
index 0000000..be589bb
--- /dev/null
+++ b/book.json
@@ -0,0 +1,4 @@
+{
+  "title": "XOS-GUI User Documentation",
+  "root": "./docs"
+}
\ No newline at end of file