Update docs.json

Amanda Butler · web-flow · commit 2880a73f50d1 · 2018-05-21T15:30:23.000-05:00
Add FATFileSystem user API.
diff --git a/docs.json b/docs.json
@@ -501,6 +501,10 @@
                                 "type": "markdown",
                                 "url": "https://github.com/ARMmbed/Handbook/blob/new_engine/docs/reference/api/storage/LittleFileSystem.md"
                             },
+                            {
+                                "type": "markdown",
+                                "url": "https://github.com/ARMmbed/Handbook/blob/new_engine/docs/reference/api/storage/FATFileSystem.md"
+                            },
                             {
                                 "type": "markdown",
                                 "url": "https://github.com/ARMmbed/Handbook/blob/new_engine/docs/reference/api/storage/HeapBlockDevice.md"
