Add Commento and additional language support
Add commento (#178) * feat: add commento block Signed-off-by: Kirill K <kovalev.kirill.a@gmail.com> * fix: use params section in config example Signed-off-by: Kirill K <kovalev.kirill.a@gmail.com> * fix: use defer to execute script after page load Signed-off-by: Kirill K <kovalev.kirill.a@gmail.com>