added keywords

package.json

@@ -12,6 +12,12 @@
     "email": "frontwork.me@gmail.com"
   },
   "homepage": "https://www.versioncontrol.me/frontwork-documentation/rpclibrary",
+  "keywords": [
+    "rpc",
+    "remote",
+    "procedure",
+    "call"
+  ],
   "scripts": {
     "tsc": "tsc",
     "webpack": "webpack --config ./src/webpack.js",