feat(index): add -loader suffix

done in preparation for webpack/webpack#3102

Author: niieani

src/index.ts

@@ -10,7 +10,7 @@ export = function tslint({options = undefined, exclude = null} = {}) {
     return {
       module: {
         rules: get(this, 'module.rules', []).concat([
-          { test: /\.tsx?$/, loader: 'tslint', enforce: 'pre', exclude: exclude || (this.metadata.root ? [path.join(this.metadata.root, 'node_modules')] : []) }
+          { test: /\.tsx?$/, loader: 'tslint-loader', enforce: 'pre', exclude: exclude || (this.metadata.root ? [path.join(this.metadata.root, 'node_modules')] : []) }
         ])
       },
       tslint: options