allow mdns cifs shares (#933)

* allow mdns cifs shares

* regex and messaging for cifs

* Update install-wizard.component.ts

* refactor

* always include leading slash when saving path

* add avahi-utils

Co-authored-by: Matt Hill <matthewonthemoon@gmail.com>
Co-authored-by: Matt Hill <MattDHill@users.noreply.github.com>

ui/src/app/pages/server-routes/ssh-keys/ssh-keys.page.ts

@@ -119,9 +119,6 @@ const sshSpec = {
   name: 'SSH Key',
   description: 'Enter the SSH public key of you would like to authorize for root access to your Embassy.',
   nullable: false,
-  // @TODO regex for SSH Key
-  // pattern: '',
-  'pattern-description': 'Must be a valid SSH key',
   masked: false,
   copyable: false,
 }