Wrote github tags into package.json

Author: MCStreetguy

package.json

@@ -3,7 +3,13 @@
   "main": "./lib/snippet-injector",
   "version": "1.2.6",
   "description": "An easy but powerful snippet management tool for Atom editor.",
-  "keywords": [],
+  "keywords": [
+    "snippets",
+    "snippet-injector",
+    "snippet-manager",
+    "atom",
+    "atom-editor"
+  ],
   "repository": "https://github.com/MCStreetguy/atom-snippet-injector",
   "license": "MIT",
   "engines": {