Upgrade rollup-plugin-string

package.json

@@ -61,7 +61,7 @@
     "rollup-plugin-json": "^2.0.0",
     "rollup-plugin-node-resolve": "^1.5.0",
     "rollup-plugin-replace": "^1.0.1",
-    "rollup-plugin-string": "^1.0.1",
+    "rollup-plugin-string": "^2.0.0",
     "sander": "^0.5.0",
     "source-map": "^0.5.3",
     "sourcemap-codec": "^1.2.1",

rollup.config.cli.js

@@ -10,7 +10,7 @@ export default {
 	format: 'cjs',
 	banner: '#!/usr/bin/env node',
 	plugins: [
-		string({ extensions: [ '.md' ] }),
+		string({ include: '**/*.md' }),
 		json(),
 		buble(),
 		commonjs({