Add CMakeLists.txt and modify .gitignore

.gitignore

@@ -644,3 +644,6 @@ FodyWeavers.xsd
 *.sln
 *.vcxproj.user
 packages.config
+
+# Cmake
+!CMakeLists.txt

CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.16)
+project(MemMAPR-MKE CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+set(SRC MemMAPR-MKE.cpp Solver.cpp)
+
+find_package (Eigen3 3.3 REQUIRED NO_MODULE)
+add_executable(mimapr ${SRC})
+target_link_libraries (mimapr Eigen3::Eigen)
+target_compile_options(mimapr PRIVATE -Wall -Wextra -Wpedantic)