Disable smart quotes by default

[jxu]

Smart quotes produce weird spacing (Windows 8.1, Chrome 84.0)

[linasdias]

i solved this on my blog by adding the following line under kramdown in _config.yml
smart_quotes: ["apos", "apos", "quot", "quot"]

[jxu]

Yes, I know how to fix it. This issue is about default behavior