Add Cthulhu_SimplifiedChinese

[ysakasin]

No description provided.

[codecov]

Codecov Report

Merging #477 (2fb87f2) into master (4299b0f) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #477   +/-   ##
=======================================
  Coverage   95.35%   95.35%           
=======================================
  Files         291      292    +1     
  Lines       18731    18744   +13     
=======================================
+ Hits        17861    17874   +13     
  Misses        870      870           

Impacted Files	Coverage Δ
lib/bcdice/game_system.rb	100.00% <100.00%> (ø)
...ib/bcdice/game_system/Cthulhu_SimplifiedChinese.rb	100.00% <100.00%> (ø)

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