Resolves#2508
## Description:
Adds hover tooltips to the "Win Score" and "Loss Score" column headers
in the clan stats table to help players understand what these weighted
scores represent.
### Changes Made
- Added tooltip to **Win Score** column: "Weighted wins based on clan
participation and match difficulty"
- Added tooltip to **Loss Score** column: "Weighted losses based on clan
participation and match difficulty"
- Uses native HTML `title` attribute (follows existing codebase
patterns)
- Fully i18n-ready via `translateText()` - other languages will be
translated via Crowdin
### Implementation Details
- **Files Modified**: 2 files, 4 lines total
- `resources/lang/en.json`: Added 2 tooltip translation keys
- `src/client/StatsModal.ts`: Added `title` attributes to table headers
- No breaking changes
### Expected Behavior
When hovering over "Win Score" or "Loss Score" column headers, users see
a tooltip explaining the weighted scoring system based on clan
participation and match difficulty.
## 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
Vahant Sharma