Added plugin to copy code with a single click

Change-Id: I1e2e8ac19770f9e24208336c5cd0cfb4b2775cb7
diff --git a/package.json b/package.json
index 3456b2b..ed49dd2 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "Documentation for the OpenCORD Project",
   "main": "index.js",
   "dependencies": {
+    "gitbook-plugin-copy-code-button": "0.0.2",
     "gitbook-plugin-ga": "^2.0.0"
   },
   "devDependencies": {},