Update keywords

Author: johnwatson484

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hapi-auth-api-key",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "API Key authentication strategy for Hapi.js",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -23,8 +23,12 @@
   "keywords": [
     "hapi",
     "hapi.js",
+    "auth",
     "authentication",
-    "api key"
+    "api key",
+    "plugin",
+    "hapi plugin",
+    "scheme"
   ],
   "author": "John Watson",
   "license": "MIT",