Add assignment

Tests/CMakeLists.txt

@@ -0,0 +1,16 @@
+add_subdirectory(Catch2/)
+
+add_executable(tests
+    Main.cpp
+    SquareTests.cpp
+    MoveTests.cpp
+    PieceTests.cpp
+    BoardTests.cpp
+    FenTests.cpp
+    EngineTests.cpp
+)
+
+target_link_libraries(tests cplchess_lib Catch2::Catch2)
+
+include(Catch2/contrib/Catch.cmake)
+catch_discover_tests(tests)