fix(doc): using @rollup-umd/deploy to deploy page

Author: Dimitri Kopriwa

.travis.yml

@@ -71,10 +71,10 @@ jobs:
         - 'lts/*'
       script:
         - targetVersion=$(git describe --tags `git rev-list --tags --max-count=1`)
-        - npx @rollup-umd/deploy --target-version ${targetVersion}
+        - npx @rollup-umd/deploy --target-version "${targetVersion}"
       deploy:
         - provider: pages
           skip_cleanup: true
-          github_token: $GH_TOKEN # Set in the settings page of your repository, as a secure variable
+          github_token: $GH_TOKEN
           keep_history: true
           local_dir: public/