Create README.md

Author: AlbertMihawk

README.md

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+# OpenCV_Project
+
+1.brew install opencv
+
+2.CLion Create project
+
+3.Edit CmakeLists.txt
+
+```
+cmake_minimum_required(VERSION 3.13)
+project(OpenCVDemo)
+
+set(CMAKE_CXX_STANDARD 14)
+
+find_package(OpenCV REQUIRED)
+
+message("Version:  ${OpenCV_VERSIOIN}")
+
+include_directories("/usr/local/Cellar/opencv/4.1.0_2/include/opencv4")
+link_libraries("/usr/local/Cellar/opencv/4.1.0_2/lib")
+
+add_executable(OpenCVDemo main.cpp)
+
+target_link_libraries(OpenCVDemo
+        opencv_videoio
+        opencv_core
+        opencv_highgui
+        opencv_video)
+```
+
+
+## Compile On Xcode
+Run: cmake -G "Xcode" .
+
+- OpenCVXcodeDemo : run OpenCV on Xcode
+- OpenCVDemoCli : run OpenCV on Command Line
+- OpenCVFaceDetect
+  1.Detect Faces
+  2.Tracking Faces
+  
+