add install OpenCV C++ to README.md

README.md

@@ -84,6 +84,25 @@ On Windows:
 ```bash
 vcpkg install sdl2:x64-windows glew:x64-windows glfw3:x64-windows
 ```
+Install OpenCV C++:
+
+```bash
+git clone https://github.com/opencv/opencv.git
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
+```
+
+- "-DCMAKE_BUILD_TYPE=Release": This specifies a release build with optimizations. You can use Debug for a debug build.
+
+- "-DCMAKE_INSTALL_PREFIX=/usr/local": This sets the installation path. You can change it to any directory you prefer.
+
+- "..": The two dots indicate the path to the OpenCV source directory.
+
+```bash
+cmake --build .
+sodo make install
+```
 
 Build the **CustomChar** executable:
 
@@ -145,4 +164,4 @@ bash scripts/format-code.sh # Format code (C++ styling)
 - GGML: <https://ggml.ai/>.
 - llama.cpp: <https://github.com/ggerganov/llama.cpp>.
 - whisper.cpp: <https://github.com/ggerganov/whisper.cpp>.
-- LLaMA-v2: <https://ai.meta.com/llama/>.
+- LLaMA-v2: <https://ai.meta.com/llama/>.