Add deploy script

Author: Jeremy Kahn

package.json

@@ -8,6 +8,7 @@
   },
   "devDependencies": {
     "@jeremyckahn/minami": "^1.3.1",
+    "gh-pages": "^1.1.0",
     "gulp": "^3.8.10",
     "gulp-eslint": "^3.0.1",
     "gulp-jasmine": "^2.0.1",
@@ -17,6 +18,7 @@
   },
   "scripts": {
     "test": "gulp test",
+    "deploy": "npm run doc:build && gh-pages -d dist -b gh-pages",
     "doc": "npm run doc:build && npm run doc:view",
     "doc:build": "jsdoc -c doc-config.json",
     "doc:view": "live-server dist --port=9124"