chore(l10n): update Persian translations

Currently translated at 4.2% (2 of 47 strings)

Translation: Fossify/Keyboard
Translate-URL: https://hosted.weblate.org/projects/fossify/keyboard/fa/
Via: Weblate

Author: mahdi155000

app/src/main/res/values-fa/strings.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="keyboard_language">زبان صفحه کلید</string>
-</resources>
+    <string name="app_launcher_name">صفحه‌کلید</string>
+</resources>