chore(l10n): update Basque translations

Currently translated at 30.4% (14 of 46 strings)

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

Author: Alexander Gabilondo

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

@@ -9,5 +9,9 @@
     <string name="clear_clipboard_data">Garbitu arbeleko datuak</string>
     <string name="clear_clipboard_data_confirmation">Seguru zaude arbeleko datuak garbitu nahi dituzula?</string>
     <string name="clipboard">Arbela</string>
-    <string name="clipboard_recent">Azkenak</string>
+    <string name="clipboard_recent">Azken aldikoak</string>
+    <string name="clipboard_current">Unekoa</string>
+    <string name="clipboard_pinned">Finkatua</string>
+    <string name="add_new_item">Gehitu elementu berri bat</string>
+    <string name="manage_keyboard_languages">Kudeatu teklatuko hizkuntzak</string>
 </resources>