Add boilerplate

CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.20)
+project(weaseldb VERSION 0.0.1)
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE Release)
+endif()
+
+set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wextra")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
+
+find_package(Threads REQUIRED)
+
+include_directories(src)
+
+set(SOURCES src/main.cpp)
+
+add_executable(weaseldb ${SOURCES})
+target_link_libraries(weaseldb Threads::Threads)