Add bowersync script

package.json

@@ -4,10 +4,11 @@
   "description": "Trend Micro's ESLint config.",
   "main": "index.js",
   "scripts": {
+    "bowersync": "./scripts/bowersync",
     "lint": "eslint .",
-    "tests-only": "babel-tape-runner ./test/test-*.js",
-    "prepublish": "(in-install || eslint-find-rules --unused) && (not-in-publish || npm test) && safe-publish-latest",
+    "prepublish": "npm run bowersync && (in-install || eslint-find-rules --unused) && (not-in-publish || npm test) && safe-publish-latest",
     "pretest": "npm run --silent lint",
+    "tests-only": "babel-tape-runner ./test/test-*.js",
     "test": "npm run --silent tests-only"
   },
   "repository": {

scripts/bowersync

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+var fs = require('fs');
+var path = require('path');
+var pkg = require('../package.json');
+var bower = require('../bower.json');
+
+// Update bower.json
+Object.keys(bower).forEach((key) => {
+    bower[key] = pkg[key] || bower[key];
+});
+bower.authors = pkg.contributors.map(author => {
+    return {
+        name: author.name,
+        email: author.email,
+        homepage: author.url
+    };
+});
+
+fs.writeFileSync(path.join(__dirname, '../bower.json'), JSON.stringify(bower, null, 2), 'utf8');