added ratio controls (#963)

## Description:
added custom controls for attack ration to user setting
## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:

@qqkedsi
![Screenshot from 2025-05-31
01-18-30](https://github.com/user-attachments/assets/2460aab2-51ef-46d9-9d05-53e84dd57b29)

Co-authored-by: evanpelle <evanpelle@gmail.com>

resources/lang/en.json

@@ -253,6 +253,11 @@
     "view_options": "View Options",
     "toggle_view": "Toggle View",
     "toggle_view_desc": "Alternate view (terrain/countries)",
+    "attack_ratio_controls": "Attack Ratio Controls",
+    "attack_ratio_up": "Increase Attack Ratio",
+    "attack_ratio_up_desc": "Increase attack ratio by 10%",
+    "attack_ratio_down": "Decrease Attack Ratio",
+    "attack_ratio_down_desc": "Decrease attack ratio by 10%",
     "zoom_controls": "Zoom Controls",
     "zoom_out": "Zoom Out",
     "zoom_out_desc": "Zoom out the map",