refactor: rename testbench to test.

- rename testbench to test.
- add benchmark for future development.

benchmark/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Create executable benchmark
+add_executable(YYCCBenchmark "")
+# Setup test sources
+target_sources(YYCCBenchmark
+PRIVATE
+    main.cpp
+)
+# target_sources(YYCCBenchmark
+# PRIVATE
+# FILE_SET HEADERS
+# FILES
+#     shared/literals.hpp
+# )
+# Setup headers
+target_include_directories(YYCCBenchmark
+PUBLIC
+    "${CMAKE_CURRENT_LIST_DIR}"
+)
+# Setup libraries
+target_link_libraries(YYCCBenchmark
+PRIVATE
+    YYCCommonplace
+    benchmark::benchmark
+)

benchmark/main.cpp

@@ -0,0 +1,4 @@
+
+int main(int argc, char* argv[]) {
+    return 0;
+}