Add documentation for .gitbook

2 files changed, 17 insertions, 1 deletions

diff --git a/docs/structure.md b/docs/structure.md
index f6ae617..2cb9460 100644
--- a/docs/structure.md
+++ b/docs/structure.md
@@ -1,5 +1,6 @@
 # Directory structure
 
+GitBook uses a very simple and obvious directory sttructure:
 
 ```
 .
@@ -24,3 +25,19 @@ An overview of what each of these does:
 
 
 ### Sub-directory
+
+For project documentaiton, it sometimes better to use a diretcory (like `docs/`) to store the prject's documentation. You can use a `.gitbook` file to indicate to GitBook in which folder the book is stored:
+
+```
+.
+├── .gitbook
+└── docs/
+    ├── README.md
+    └── SUMMARY.md
+```
+
+With `.gitbook` containing:
+
+```
+./docs/
+```
diff --git a/lib/cli/index.js b/lib/cli/index.js
index 0b2366a..c15d04a 100644
--- a/lib/cli/index.js
+++ b/lib/cli/index.js
@@ -6,7 +6,6 @@ var tinylr = require('tiny-lr');
 var Promise = require('../utils/promise');
 var PluginsManager = require('../plugins');
 var Book = require('../book');
-var NodeFS = require('../fs/node');
 
 var helper = require('./helper');
 var Server = require('./server');