Update README.md

Added gallery with 4 images

README.md

@@ -37,4 +37,10 @@ Will create external user documentation and add it to the repository eventually.
 - [CustomTkinter](https://github.com/TomSchimansky/CustomTkinter) - Creation of the main GUI
 - [Google.Cloud.Translation.V2](https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Translation.V2/latest) - Translation of locales 
 - [Pillow](https://pillow.readthedocs.io/en/stable/) - Image processing services
-- [regex](https://github.com/mrabarnett/mrab-regex) - Alternative to the standard `re` module, required for some functionality
+- [regex](https://github.com/mrabarnett/mrab-regex) - Alternative to the standard `re` module, required for some functionality
+<br><br>
+## Gallery
+<img width="683" alt="home page" src="https://github.com/tomasvana10/crossword_puzzle/assets/124552709/38783814-148f-470f-b08a-aeea51e75a24">
+<img width="872" alt="browser page" src="https://github.com/tomasvana10/crossword_puzzle/assets/124552709/6b9705a1-e9ae-4505-8c48-e18ccbe7f586">
+<img width="1240" alt="game english" src="https://github.com/tomasvana10/crossword_puzzle/assets/124552709/6c313430-58df-4075-a417-b0150968be82">
+<img width="1240" alt="game japanese" src="https://github.com/tomasvana10/crossword_puzzle/assets/124552709/92e84095-05ff-413f-b397-0c407e71d713">