Added DepthAI C++ library and libopencv to depthai-library container

ci/Dockerfile

@@ -1,11 +1,18 @@
 FROM python:3.9-bullseye
 
-RUN apt-get update && apt-get install -y wget build-essential cmake pkg-config libjpeg-dev libtiff5-dev libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libxvidcore-dev libx264-dev libgtk2.0-dev libgtk-3-dev libatlas-base-dev gfortran git
+RUN apt-get update && apt-get install -y wget build-essential cmake pkg-config libjpeg-dev libtiff5-dev libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libxvidcore-dev libx264-dev libgtk2.0-dev libgtk-3-dev libatlas-base-dev gfortran git libopencv-dev
 
 ADD ci/docker_dependencies.sh .
 RUN ./docker_dependencies.sh
 
 RUN pip install -U pip && pip install --extra-index-url https://www.piwheels.org/simple/ --prefer-binary opencv-python
 
+# Copy over the files
 COPY . /depthai-python
+
+# Install C++ library
+RUN cmake -S /depthai-python/depthai-core -B /build -D CMAKE_BUILD_TYPE=Release -D BUILD_SHARED_LIBS=ON -D CMAKE_INSTALL_PREFIX=/usr/local
+RUN cmake --build /build --parallel 4 --config Relase --target install
+
+# Install Python library
 RUN cd /depthai-python && python3 -m pip install .