Update Turkish Keyboard Layout XML Files

    Added a new key specification for the Turkish keyboard layout in rowkeys_turkish_f3.xml.
    Adjusted key widths in rows_turkish_f.xml for better layout consistency:
        Changed key width from 8.333%p to 8.711%p in the second row.
        Updated key width from 8.75%p to 8.711%p in the third row.
        Modified the width of the shift key from 15%p to 10.8%p for improved usability.
    Ensured proper positioning of included layouts and visual insets for a more refined keyboard design.

Before: https://raw.githubusercontent.com/my-garbage-stuff/garbage-images/refs/heads/main/image.png

After: https://raw.githubusercontent.com/my-garbage-stuff/garbage-images/refs/heads/main/photo_2025-09-25_21-36-25.jpg

Reference (from gboard): https://raw.githubusercontent.com/my-garbage-stuff/garbage-images/refs/heads/main/gboard.png

Change-Id: I531adb6d4c1208b6dcac705315a236c06e2802b4