# Use this if your app is not directly on the root of the domain,
# e.g. http://example_domain.com/directory_path/index.html
# Important: replace directory_path with the relative path from
# the domain to the index.html. Keep the first "/".
# We have replaced directory_path with sentinll. 
<IfModule mod_rewrite.c>
    RewriteEngine on
    RewriteCond %{REQUEST_FILENAME} -s [OR]
    RewriteCond %{REQUEST_FILENAME} -l [OR]
    RewriteCond %{REQUEST_FILENAME} -d
    RewriteRule ^.*$ - [NC,L]
    RewriteRule ^(.*) /sentinll/index.html [NC,L]
</IfModule>