markup/goldmark: Add CJK extension

Fixes #10472

data/docs.yaml

@@ -1037,6 +1037,9 @@ config:
           rightAngleQuote: '»'
           rightDoubleQuote: '”'
           rightSingleQuote: '’'
+        CJK:
+          eastAsianLineBreaks: false
+          escapedSpace: false
       parser:
         attribute:
           block: false