新增水印功能

[cslingjun]

[功能]
新增全局水印功能
配置项管理->系统设置里面设置了开关
Fixes #1350

[codecov]

Codecov Report

Merging #1466 (8b158e9) into master (70161e1) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1466   +/-   ##
=======================================
  Coverage   74.89%   74.89%           
=======================================
  Files          83       83           
  Lines       13430    13432    +2     
=======================================
+ Hits        10058    10060    +2     
  Misses       3372     3372           

Impacted Files	Coverage Δ
common/utils/global_info.py	100.00% <100.00%> (ø)

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