add 'week' and 'weeks' to Arabic locale (#1155)

Co-authored-by: Jad Chaar <jadchaar@users.noreply.github.com>

Author: AbdullahAlajmi

arrow/locales.py

@@ -2549,6 +2549,8 @@ class ArabicLocale(Locale):
         "hours": {"2": "ساعتين", "ten": "{0} ساعات", "higher": "{0} ساعة"},
         "day": "يوم",
         "days": {"2": "يومين", "ten": "{0} أيام", "higher": "{0} يوم"},
+        "week": "اسبوع",
+        "weeks": {"2": "اسبوعين", "ten": "{0} أسابيع", "higher": "{0} اسبوع"},
         "month": "شهر",
         "months": {"2": "شهرين", "ten": "{0} أشهر", "higher": "{0} شهر"},
         "year": "سنة",

tests/test_locales.py

@@ -1414,26 +1414,30 @@ def test_timeframes(self):
         assert self.locale._format_timeframe("minute", 1) == "دقيقة"
         assert self.locale._format_timeframe("hour", 1) == "ساعة"
         assert self.locale._format_timeframe("day", 1) == "يوم"
+        assert self.locale._format_timeframe("week", 1) == "اسبوع"
         assert self.locale._format_timeframe("month", 1) == "شهر"
         assert self.locale._format_timeframe("year", 1) == "سنة"
 
         # double
         assert self.locale._format_timeframe("minutes", 2) == "دقيقتين"
         assert self.locale._format_timeframe("hours", 2) == "ساعتين"
         assert self.locale._format_timeframe("days", 2) == "يومين"
+        assert self.locale._format_timeframe("weeks", 2) == "اسبوعين"
         assert self.locale._format_timeframe("months", 2) == "شهرين"
         assert self.locale._format_timeframe("years", 2) == "سنتين"
 
         # up to ten
         assert self.locale._format_timeframe("minutes", 3) == "3 دقائق"
         assert self.locale._format_timeframe("hours", 4) == "4 ساعات"
         assert self.locale._format_timeframe("days", 5) == "5 أيام"
+        assert self.locale._format_timeframe("weeks", 7) == "7 أسابيع"
         assert self.locale._format_timeframe("months", 6) == "6 أشهر"
         assert self.locale._format_timeframe("years", 10) == "10 سنوات"
 
         # more than ten
         assert self.locale._format_timeframe("minutes", 11) == "11 دقيقة"
         assert self.locale._format_timeframe("hours", 19) == "19 ساعة"
+        assert self.locale._format_timeframe("weeks", 20) == "20 اسبوع"
         assert self.locale._format_timeframe("months", 24) == "24 شهر"
         assert self.locale._format_timeframe("days", 50) == "50 يوم"
         assert self.locale._format_timeframe("years", 115) == "115 سنة"