added AR translations to the Friendica addons

Thanks to the work of طاهر, Farida Khalaf, محمد أحمد, abidin toumi, Abdullah Alsabi, ButterflyOfFire and ominds the translation of Friendica into Arabic has crossed the magic 50% progress mark, so we now include their work into the addons repository.

public_server/lang/ar/messages.po

@@ -0,0 +1,49 @@
+# ADDON public_server
+# Copyright (C)
+# This file is distributed under the same license as the Friendica public_server addon package.
+# 
+# 
+# Translators:
+# Farida Khalaf <faridakhalaf@hotmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: friendica\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-02-01 18:15+0100\n"
+"PO-Revision-Date: 2021-02-21 18:42+0000\n"
+"Last-Translator: Farida Khalaf <faridakhalaf@hotmail.com>\n"
+"Language-Team: Arabic (http://www.transifex.com/Friendica/friendica/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+#: public_server.php:64
+msgid "Administrator"
+msgstr ""
+
+#: public_server.php:118
+#, php-format
+msgid "Your account on %s will expire in a few days."
+msgstr ""
+
+#: public_server.php:119
+msgid "Your Friendica account is about to expire."
+msgstr ""
+
+#: public_server.php:120
+#, php-format
+msgid ""
+"Hi %1$s,\n"
+"\n"
+"Your account on %2$s will expire in less than five days. You may keep your account by logging in at least once every 30 days"
+msgstr ""
+
+#: public_server.php:158
+msgid "Save Settings"
+msgstr "حفظ الإعدادات"
+
+#: public_server.php:160
+msgid "Set any of these options to 0 to deactivate it."
+msgstr ""

public_server/lang/ar/strings.php

@@ -0,0 +1,8 @@
+<?php
+
+if(! function_exists("string_plural_select_ar")) {
+function string_plural_select_ar($n){
+	$n = intval($n);
+	if ($n==0) { return 0; } else if ($n==1) { return 1; } else if ($n==2) { return 2; } else if ($n%100>=3 && $n%100<=10) { return 3; } else if ($n%100>=11 && $n%100<=99) { return 4; } else  { return 5; }
+}}
+$a->strings['Save Settings'] = 'حفظ الإعدادات';