[Koha] Including Bengali (Bangladesh) In Koha Translation Site

[Mubassir Ahsan]

In koha translate page, the language 'Bengali' is listed, but the files are
named as "*bn-IN*-pref.po" [http://translate.koha-community.org/bn/17.11/].
Our kind request to koha translation maintainer to please rename this to
bn-BD as BD refers to Bangladesh where IN referring to India.
In addition, we have a history regarding our Bengali Language where 21
February is been celebrated worldwide as a "International Mother Language
Day"  [https://en.wikipedia.org/wiki/International_Mother_Language_Day]


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*Best wishes.*
*--------------------*
*Md. Mubassir Ahsan*
*Assistant Librarian*
*(Library In-Charge)*
*Southeast University*