Subject: [PATCH] Improve Brahmi composition rules.

From: समीर सिंह Sameer Singh<[email-masked]>
Date: Wed, 2 Nov 2022 08:11:10 +0530

The present composition rules for Brahmi have a bug where the virama is not
composed with the consonants, I have fixed that now. I have also added
support for composing velar and bilabial fricatives in Brahmi.

Please review the patch.
Thanks