allow corigin * for codimd cors

(needed since we have freedom.rc3.io and future.rc3.io — seems the easiest solution, at least)

configuration/hosts/hainich/services/codimd.nix

@@ -72,7 +72,7 @@
         proxy_set_header X-Forwarded-Host $http_host;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection $http_connection;
-        add_header Access-Control-Allow-Origin "https://stuebinm.4future.de";
+        add_header Access-Control-Allow-Origin "*";
         proxy_buffering off;
       '';
     };