adjust nginx headers for forgejo subdomain

configuration.nix

@@ -148,9 +148,18 @@ in
       "git.${domainName}" = {
         forceSSL = true;
         enableACME = true;
+        extraConfig = ''
+          client_max_body_size 512M;
+        '';
         locations = {
           "/" = {
             proxyPass = "http://localhost:3000";
+            proxySetHeader = {
+              Host = "$host";
+              X-Real-IP = "$remote_addr";
+              X-Forwarded-For = "$proxy_add_x_forwarded_for";
+              X-Forwarded-Proto = "https";
+            };
           };
         };
       };