Fix typo (storyboard -> storybook) (#3603)

package.json

@@ -9,7 +9,7 @@
     "start": "rimraf ./tmp/streaming && babel ./streaming/index.js --out-dir ./tmp && node ./tmp/streaming/index.js",
     "storybook": "NODE_ENV=test start-storybook -s ./public -p 9001 -c storybook",
     "test": "npm run test:lint && npm run test:mocha",
-    "test:lint": "eslint -c .eslintrc.yml --ext=js app/javascript/ config/webpack/ spec/javascript/ storyboard/ streaming/",
+    "test:lint": "eslint -c .eslintrc.yml --ext=js app/javascript/ config/webpack/ spec/javascript/ storybook/ streaming/",
     "test:mocha": "NODE_ENV=test mocha --require ./spec/javascript/setup.js --compilers js:babel-register ./spec/javascript/components/*.test.js",
     "postinstall": "npm rebuild node-sass"
   },

storybook/stories/button.story.js

@@ -5,14 +5,14 @@ import Button from 'mastodon/components/button';
 
 storiesOf('Button', module)
   .add('default state', () => (
-    <Button text="submit" onClick={action('clicked')} />
+    <Button text='submit' onClick={action('clicked')} />
   ))
   .add('secondary', () => (
-    <Button secondary text="submit" onClick={action('clicked')} />
+    <Button secondary text='submit' onClick={action('clicked')} />
   ))
   .add('disabled', () => (
-    <Button disabled text="submit" onClick={action('clicked')} />
+    <Button disabled text='submit' onClick={action('clicked')} />
   ))
   .add('block', () => (
-    <Button block text="submit" onClick={action('clicked')} />
+    <Button block text='submit' onClick={action('clicked')} />
   ));

storybook/webpack.config.js

@@ -9,7 +9,7 @@ module.exports = {
       },
       {
         test: /.scss$/,
-        loaders: ["style-loader", "css-loader", "postcss-loader", "sass-loader"],
+        loaders: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader'],
       },
     ],
   },