chore(package): Updating gh-pages deploy script.

- Script was broken due to CNAME file being deleted
- Added command to recreate CNAME file each time
- This avoids demo / documentation site going down

package.json

@@ -15,7 +15,7 @@
     "start": "yarn run copytablercsstodist && rollup -c -w",
     "prepare": "yarn run build && yarn run copytablercsstodist",
     "predeploy": "cd example && yarn install && yarn run build",
-    "deploy": "gh-pages -d example/build",
+    "deploy": "echo \"tabler-react.com\" > example/build/CNAME && gh-pages -d example/build",
     "precommit": "yarn pretty-quick --staged && lint-staged && cd scripts && python propscheck.py && cd .. && ./scripts/runflow",
     "flow:copy-source": "node scripts/flow-copy-source.js",
     "format": "prettier --write \"+(src|example)/**/*.js\"",