Add Boat hotkey (#1060)

## Description:
Pressing B to fast boat

![Screenshot_2025-06-06-09-32-53-865_com android
chrome](https://github.com/user-attachments/assets/cdd4aefe-0088-4334-bf69-7cf3b32b6db6)

## 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:
dovg

src/client/UserSettingModal.ts

@@ -367,6 +367,19 @@ export class UserSettingModal extends LitElement {
         @change=${this.handleKeybindChange}
       ></setting-keybind>
 
+      <div class="text-center text-white text-base font-semibold mt-5 mb-2">
+        ${translateText("user_setting.attack_keybinds")}
+      </div>
+
+      <setting-keybind
+        action="boatAttack"
+        label=${translateText("user_setting.boat_attack")}
+        description=${translateText("user_setting.boat_attack_desc")}
+        defaultKey="KeyB"
+        .value=${this.keybinds["boatAttack"] ?? ""}
+        @change=${this.handleKeybindChange}
+      ></setting-keybind>
+
       <div class="text-center text-white text-base font-semibold mt-5 mb-2">
         ${translateText("user_setting.zoom_controls")}
       </div>