Remove hanging comma from exclude in rules

dcchuck · skipjack · commit eeca4b30e90d · 2017-07-05T13:02:23.000-04:00
Unnecessary lingering comma @ the end of the exclude line
diff --git a/content/guides/typescript.md b/content/guides/typescript.md
@@ -58,7 +58,7 @@ module.exports = {
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
-       exclude: /node_modules/,
+       exclude: /node_modules/
      }
    ]
  },
