Add Lao Grade 1 braille table (#16470)
Summary of the issue:
There have been requests for NVDA to support the Lao Grade 1 braille table. Liblouis does contain a braille table for Lao Grade1, but it is not listed for use in NVDA.
Description of user facing changes
the Lao Grade 1 braille table is now available in NVDA.
Description of development approach
Registered the Lao Grade 1 (lo-g1.utb) braille table with NvDA.
