fix(build): copy styles to build directory

Author: rychkog

package.json

@@ -40,7 +40,7 @@
     "flow.lint": "npm run flow.tslint",
     "flow.build": "npm run flow.clean && npm run flow.compile && webpack --progress --color",
     "flow.serve": "webpack-dev-server --hot --inline --colors --display-error-details --display-cached",
-    "pre:publish": "npm run flow.clean && npm run flow.lint && npm run test &&  npm run flow.compile",
+    "pre:publish": "npm run flow.clean && npm run flow.lint && npm run test && npm run flow.compile && cp src/styles.css dist",
     "post:publish": "npm run flow.deploy:gh-pages",
     "start": "npm run flow.serve",
     "test": "karma start karma.conf.js"

publish.js

@@ -1,12 +1,12 @@
 #!/usr/bin/node
 
 const _ = require('lodash');
-const fs = require('fs'); 
+const fs = require('fs');
 const shell = require('shelljs');
 const pkg = require('./package.json');
 
 shell.exec('npm run pre:publish');
 fs.writeFileSync('dist/package.json', JSON.stringify(_.omit(pkg, ['private']), null, 2), {encoding: 'utf-8'});
 
 shell.exec('npm publish dist');
-shell.exec('npm run post:publish');
+shell.exec('npm run post:publish');