enable tls on lens proxy

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

types/mocks.d.ts

@@ -3,6 +3,7 @@ declare module "mac-ca"
 declare module "win-ca"
 declare module "@hapi/call"
 declare module "@hapi/subtext"
+declare module "selfsigned"
 
 // Global path to static assets
 declare const __static: string;