Rename gulp task: webpack:watch → watch` and also monitor subdirectories

Procfile

@@ -1,2 +1,2 @@
 web: npm start
-webpack: npm run webpack:watch
+webpack: npm run watch

gulpfile.js

@@ -192,8 +192,8 @@ gulp.task('webpack', ['build'], function() {
     .pipe(gulp.dest('demo/dist/'));
 });
 
-gulp.task('webpack:watch', ['webpack'], () => {
-  gulp.watch('./src/*', ['webpack']);
+gulp.task('watch', ['webpack'], () => {
+  gulp.watch(['./src/*', './src/**/*'], ['webpack']);
 });
 
 /**

package.json

@@ -86,7 +86,7 @@
     "prepublish": "npm run build",
     "coveralls": "gulp coveralls",
     "webpack": "gulp webpack",
-    "webpack:watch": "gulp webpack:watch"
+    "watch": "gulp watch"
   },
   "dependencies": {}
 }