Module:Mymr-sortkey/documentation

This is UCA-like sortkey module using PUA to rearrange. It focuses on Myanmar (Burmese) script that is disorderedly used by many languages.
 * UCA = Unicode Collation Algorithm. Data from https://unicode.org/reports/tr10/#Allkeys and grep for "MYANMAR".
 * PUA = Private Use Area -- a Unicode block.