keep only the first 2 letters of the request language
keep only the first 2 letters of the request language

example:
- en_GB becomes en
- ar_DZ becomes ar
muslih/alfanous,saifmahamood/alfanous,saifmahamood/alfanous,saifmahamood/alfanous,saifmahamood/alfanous,keelhaule/alfanous,abougouffa/alfanous,abougouffa/alfanous,muslih/alfanous,muslih/alfanous,keelhaule/alfanous,muslih/alfanous,keelhaule/alfanous,abougouffa/alfanous,keelhaule/alfanous,keelhaule/alfanous,saifmahamood/alfanous,saifmahamood/alfanous,keelhaule/alfanous,abougouffa/alfanous,abougouffa/alfanous,muslih/alfanous,saifmahamood/alfanous,saifmahamood/alfanous,abougouffa/alfanous,abougouffa/alfanous,muslih/alfanous,keelhaule/alfanous,muslih/alfanous