async function add_site_to_group(site_id, group_id) {
	await supabase.from('sites').update({ group: group_id }).eq('id', site_id)
}
Adds a site to a site group
@param {string} site_id - The ID of the site to add
@param {string} group_id - The ID of the group to add the site to
@returns {Promise<void>}