Add ꞽ = U+A7BD (Latin small letter glottal I) and Ꞽ = U+A7BC (Latin capital letter glottal I)

[Alexander Ilin-Tomich]

Please add Latin letter glottal I
Please add signs ꞽ = U+A7BD (Latin small letter glottal I) and Ꞽ = U+A7BC (Latin capital letter glottal I) to Latin Extended D. These are part of Unicode 12 and are used in Egyptology. They are not found in Roboto as of 13.01.2020
Here is an example of how these letters look like (small and capital glottal I as the first letter of italicized words in the passage

)