Add ./do commands for watching and locally building Storybook

[MAILPOET-2769]

.gitignore

@@ -29,3 +29,4 @@ docker-compose.override.yml
 tasks/code_sniffer/vendor
 tasks/phpstan/vendor
 /tools/vendor
+/storybook-static

RoboFile.php

@@ -513,6 +513,14 @@ class RoboFile extends \Robo\Tasks {
       ->run();
   }
 
+  public function storybookBuild() {
+    return $this->_exec('npm run build-storybook');
+  }
+
+  public function storybookWatch() {
+    return $this->_exec('npm run storybook');
+  }
+
   public function svnCheckout() {
     $svnDir = ".mp_svn";
 

package.json

@@ -20,7 +20,7 @@
     "stylelint": "stylelint --fix",
     "test": "mocha --require @babel/register tests/javascript/**/*.spec.js",
     "check-types": "tsc --noEmit",
-    "storybook": "start-storybook -p 6006",
+    "storybook": "start-storybook -p 8083",
     "build-storybook": "build-storybook"
   },
   "dependencies": {