gtest

[gyrydymptum]

• Create simple tests for the SHM project (at least 1 test using Copy&Paste method from other homework).
• Copy the appropriate files that will allow you to use gtest.
• Add the test binary to CMakeLists.txt. Name it ${PROJECT_NAME}-ut.
• Add test firing using ctest.
• Modify the .github/workflows/main.yml file to allow GitHub to additionally run the tests.