Syntax highlighting of server-protocol/Packet_0xA3

# Packet 0xA3

The server sends Packet 0xA3 to clients to inform them of the quest that they've selected for play.

## Dreamcast Packet Format
| Bytes | Meaning |
| --- | --- |
| 0x0000 | Packet Type (0xA3) |
| 0x0001 | Flags (0x00) |
| 0x0002-0x0003 | Packet Size (0x0128) |
| 0x0004-0x0127 | Quest Information message |