Previously: #71 and tesseract-ocr/tessdata_best#11 (also contains a pertinent discussion on how well the different traineddata deal with these characters).

• Indic numerals: (٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩)
• Punctuation: (؛, ،, ﴿﴾)
• Also, a ligature very commonly found in Arabic texts: ﷺ

If I can do this myself please simply point me the way.

CC @Shreeshrii