Optimize images

## Squish Image Optimization Summary

Squish optimized 4 images for a total savings of 18.4 KB (2.3%).

| Image Path | Original Size | Optimized Size | Savings | Savings % |
|:--- | ---:| ---:| ---:| ---:|
| `Palestine.png` | 26.4 KB | 22.3 KB | 4.11 KB | 15.6% |
| `Pakistan.png` | 29.4 KB | 25.3 KB | 4.1 KB | 14.0% |
| `Norway.png` | 31.6 KB | 26.3 KB | 5.33 KB | 16.9% |
| `New Zealand.png` | 30.3 KB | 25.5 KB | 4.81 KB | 15.9% |