Enable caching for .well-known

Author: GarboMuffin

src/server.js

@@ -246,7 +246,8 @@ app.get([
   '*/images/*',
   // Our sw.js is just a stub; if we actually used it then we would want to not list it here
   '*/sw.js',
-  '*/robots.txt'
+  '*/robots.txt',
+  '*/.well-known/*',
 ], (req, res, next) => {
   res.header('Cache-Control', 'public, max-age=604800, immutable');
   next();