v0.4.0

feat(ascii). 新增up_modeA_down_modeB选项，其中mode为ascii或entropy，实现上下行不同字节风格；#28

chore(reverse). 强制反向代理上行packed，提升反代体验；#29

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feat(ascii). added the up_modeA_down_modeB option, where mode can be ascii or entropy, to implement different byte styles for uplink and downlink; #28

chore(reverse). forced reverse proxy for uplink packed, improving the reverse proxy experience; #29