Add config for basic package version file

Added CMake config to automatically generate version information file 
to be able to check if the correct version of the package is installed.

CMakeLists.txt

@@ -146,6 +146,12 @@ install(
   DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
 )
 
+write_basic_package_version_file(
+  "${PROJECT_NAME}-config-version.cmake"
+  VERSION ${PROJECT_VERSION}
+  COMPATIBILITY SameMajorVersion
+)
+
 configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PROJECT_NAME}-config.cmake.in"
   ${PROJECT_NAME}-config.cmake
@@ -155,7 +161,7 @@ configure_package_config_file(
 )
 
 install(
-  FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
+  FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake"
   DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
 )