Update of install process

• Updated install process with a more generic CMake

cpp/Makefile.valid

+OPENCVFLAG=`pkg-config --libs --cflags opencv3`
+CAMERAFLAG=-lrealsense2
+YAMLFLAG=-I/usr/local/include -L/usr/local/lib -lyaml-cpp
+
+DEP_SANDBOX=$(OPENCVFLAG) $(CAMERAFLAG) $(YAMLFLAG)
+
+SANDBOX=-I/home/quentin/Documents/HEPIA/ar_sandbox_lib/inc -L/home/quentin/Documents/HEPIA/ar_sandbox_lib/build_test/lib -lsandbox
+CFLAGS=-std=c++11 -Wall -Wextra -g -Ilib -fPIC
+
+WRAPPER_NAME=sandbox_wrapper.so
+
+all: sandbox_wrapper.so
+
+sandbox_wrapper: sandbox_wrapper.o
+	c++ -o $@ $^ $(shell python3-config --libs) $(CFLAGS) $(SANDBOX) $(DEP_SANDBOX) $(LDFLAGS)
+
+sandbox_wrapper.so: sandbox_wrapper.o
+	c++ -O3 -shared $(CFLAGS) $(shell python3 -m pybind11 --includes) $^ -o $(WRAPPER_NAME)$(python3-config --extension-suffix) $(DEP_SANDBOX) $(SANDBOX)
+
+sandbox_wrapper.o: sandbox_wrapper.cpp
+	c++ -c $^ -o $@ -I/usr/include/python3.13 $(python3 -m pybind11 --includes) $(CFLAGS) $(SANDBOX) $(DEP_SANDBOX)
+
+clean:
+	rm *.so *.o
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