Create km_KH.ts

[rayliao]

Khmer language

[vercel]

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[codecov]

Codecov Report

Merging #237 (f1e94bb) into master (dbd2e71) will not change coverage.
The diff coverage is n/a.

❗ Current head f1e94bb differs from pull request most recent head 18dd0ad. Consider uploading reports for the commit 18dd0ad to get more accurate results

@@           Coverage Diff           @@
##           master     #237   +/-   ##
=======================================
  Coverage   99.52%   99.52%           
=======================================
  Files          45       45           
  Lines        2113     2113           
  Branches      623      622    -1     
=======================================
  Hits         2103     2103           
  Misses          8        8           
  Partials        2        2           

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