patterns: GVAS pattern for Unreal Engine 4+ games

Author: scottanderson

README.md

@@ -108,6 +108,7 @@ Everything will immediately show up in ImHex's Content Store and gets bundled wi
 | GGUF | | [`patterns/gguf.hexpat`](patterns/gguf.hexpat) | GGML Inference Models |
 | GIF | `image/gif` | [`patterns/gif.hexpat`](patterns/gif.hexpat) | GIF image files |
 | GLTF | `model/gltf-binary` | [`patterns/gltf.hexpat`](patterns/gltf.hexpat) | GL Transmission Format binary 3D model file |
+| GVAS | | [`patterns/gvas.hexpat`](patterns/gvas.hexpat) | Unreal Engine 4+ Save Game file |
 | GZIP | `application/gzip` | [`patterns/gzip.hexpat`](patterns/gzip.hexpat) | GZip compressed data format |
 | Halo Tag || [`patterns/hinf_tag.hexpat`](patterns/hinf_tag.hexpat) | Halo Infinite Tag Files |
 | Halo Module || [`patterns/hinf_module.hexpat`](patterns/hinf_module.hexpat) | Halo Infinite Module Archive Files |