adding mermaid packages

node_modules/gitbook-cli/lib/config.js

@@ -0,0 +1,41 @@
+var path = require('path');
+var fs = require('fs-extra');
+var color = require('bash-color');
+var userHome = require('user-home');
+
+var CONFIG_ROOT = process.env.GITBOOK_DIR;
+if (!CONFIG_ROOT) {
+    if (!userHome) {
+        console.log(color.red('HOME or GITBOOK_DIR needs to be defined'));
+        process.exit(1);
+    }
+
+    CONFIG_ROOT = path.resolve(userHome, '.gitbook');
+}
+var VERSIONS_ROOT = path.resolve(CONFIG_ROOT, 'versions');
+
+
+// Init and prepare configuration for gitbook-cli
+// It creates the required folder
+function init() {
+    fs.mkdirsSync(CONFIG_ROOT);
+    fs.mkdirsSync(VERSIONS_ROOT);
+}
+
+// Replace root folder to use
+function setRoot(root) {
+    CONFIG_ROOT = path.resolve(root);
+    VERSIONS_ROOT = path.resolve(CONFIG_ROOT, 'versions');
+
+    module.exports.ROOT = CONFIG_ROOT;
+    module.exports.VERSIONS_ROOT = VERSIONS_ROOT;
+}
+
+module.exports = {
+    init: init,
+    setRoot: setRoot,
+
+    GITBOOK_VERSION: '>1.x.x',
+    ROOT: CONFIG_ROOT,
+    VERSIONS_ROOT: VERSIONS_ROOT
+};