Update README.md

.gitignore

+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+.vscode/
+vscode/
+.vs/
+vs/
+build/
+out/
+out_debug/
\ No newline at end of file

README.md

 # hand-window
 
+손인식을 활용한 간단한 게임
+
+## 오픈소스
+
+### [mediapipe](https://github.com/google/mediapipe)
+
+-   라이센스: Apache-2.0 License
+
+![hand](https://google.github.io/mediapipe/images/mobile/hand_tracking_3d_android_gpu.gif)
+
+### [box2d](https://github.com/erincatto/box2d)
+
+-   라이센스: MIT License
+
+## API
+
+vulkan or opengl