Ignore "templates.js" files when linting
Ignore "templates.js" files when linting

The "templates.js" files are compiled by Handlebars from the source
templates, so there is no point in checking for problems like defined
but not used variables.

Signed-off-by: Daniel Calviño Sánchez <bd7629e975cc0e00ea7cda4ab6a120f2ee42ac1b@gmail.com>

nextcloud/spreed,nextcloud/spreed,nextcloud/spreed