Added additional optional entries to card type

Now includes 1-liner description, optional warning, optional external link and optional external name

interfaces/CardTypes.ts

@@ -15,8 +15,11 @@ export interface Service {
   name: string,
   icon: string,
   href: string,
+  desc1?: string,
   desc: string,
-  warn: string,
+  warn?: string,
+  extLink?: string,
+  extName?: string,
   type: ServiceType,
   docker_container_name: string,
   location: ServiceLocation,