Increase MAX_MESSAGE_SIZE

Author: sjorsdonkers

src/server.zig

@@ -45,7 +45,7 @@ const MAX_HTTP_REQUEST_SIZE = 2048;
 // max message size
 // +14 for max websocket payload overhead
 // +140 for the max control packet that might be interleaved in a message
-const MAX_MESSAGE_SIZE = 256 * 1024 + 14;
+const MAX_MESSAGE_SIZE = 512 * 1024 + 14;
 
 const Server = struct {
     app: *App,