Docs: Add eslint keyword in package.json (#115)

* Docs: Add eslint keywords in package.json

Make it easier to find this tool: https://eslint.org/docs/developer-guide/working-with-plugins#share-plugins

* remove plugin keywords

package.json

@@ -3,6 +3,7 @@
   "version": "3.0.0",
   "description": "A Yeoman generator for creating ESLint plugins/rules",
   "keywords": [
+    "eslint",
     "yeoman-generator"
   ],
   "homepage": "https://github.com/eslint/generator-eslint",