Improve max-segment-size content with resources

src/data/roadmaps/server-side-game-developer/content/max-segment-size@w6ysmcsBn9jJ8xMvg7hcD.md

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-# Max Segment Size
+# Max Segment Size (MSS)  
+
+**Max Segment Size (MSS)** is a crucial concept in `TCP` networking, representing the largest 
+amount of data that can be sent in a single `TCP` segment, excluding the `TCP` header. `MSS` is 
+vital for optimizing performance in server-side game development, as it helps to avoid 
+fragmentation and ensures that data is transmitted efficiently over the network. By adjusting 
+the `MSS`, game servers can minimize packet fragmentation, which can lead to increased latency 
+and reduced throughput. Typically, `MSS` is determined during the `TCP` handshake based on the 
+maximum transmission unit (MTU) of the network, and it can be configured to suit the needs of 
+specific applications or networks. Optimizing `MSS` can improve the overall reliability and 
+performance of data transfers, especially in multiplayer games where real-time communication 
+and high throughput are essential.
+
+Resources:  
+
+- [@article@RFC 879 - Maximum Segment Size](https://tools.ietf.org/html/rfc879)  
+- [@article@What is MSS (maximum segment size)?](https://www.cloudflare.com/learning/network-layer/what-is-mss/)  
+- [@documentation@TCP Maximum Segment Size tuning](https://www.ibm.com/docs/en/aix/7.2?topic=tuning-tcp-maximum-segment-size)