Update gallery with new images

Added additional images to the gallery section in README.

Author: Kade-github

README.md

@@ -14,7 +14,11 @@ A D&D 5e encounter manager with creature editing, and sharing.
 - Save and load encounters with multiple creatures.
 
 ## Gallery
-<img width="5120" height="2725" alt="image" src="https://github.com/user-attachments/assets/f741ff6b-2bcd-4c72-9e54-d25c7dd1608b" />
+<img width="1280" height="720" alt="image" src="https://github.com/user-attachments/assets/5f6c0f8d-12ad-46d8-ac31-0ae77e46fa4b" />
+<img width="1280" height="720" alt="image" src="https://github.com/user-attachments/assets/4906d2cc-02e2-4f87-8764-f6d0d6d26dc9" />
+<img width="1280" height="720" alt="image" src="https://github.com/user-attachments/assets/73b7707f-6d6c-4ea4-a06a-2c5b414b1ff0" />
+<img width="1280" height="720" alt="image" src="https://github.com/user-attachments/assets/5e0703c8-597d-41cb-b44d-07cca0d7b325" />
+
 
 ## Download
 You can download the latest release of EncounterMaster from the [Releases](https://github.com/Kade-github/EncounterMaster/releases/latest) page.