Android: Modify touch screen GUI's buttons (luanti-org#7240)

* Android: Add zoom, minimap, and toggle chat button
Zoom button is put above jump button.
Minimap and toggle chat button are put in settings bar.
* Jump button is rotated down button
* Move three buttons on the right screen higher

Author: srifqi

LICENSE.txt

@@ -31,6 +31,14 @@ erlehmann:
 JRottm
   textures/base/pack/player_marker.png
 
+srifqi
+  textures/base/pack/chat_hide_btn.png
+  textures/base/pack/chat_show_btn.png
+  textures/base/pack/joystick_bg.png
+  textures/base/pack/joystick_center.png
+  textures/base/pack/joystick_off.png
+  textures/base/pack/minimap_btn.png
+
 License of Minetest source code
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