Added CMake build script

CMakeLists.txt

@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.10)
+project(bpp)
+
+set(CMAKE_CXX_STANDARD 17)
+
+find_package(SDL2 CONFIG REQUIRED)
+
+file(GLOB_RECURSE target_sources
+    "src/*.cpp"
+    "lib/*.cpp"
+)
+
+add_executable(bpp
+    ${target_sources}
+)
+
+target_include_directories(bpp PUBLIC
+    "include"
+    "lib/imgui/include"
+    "lib/ImGuiFileDialog"
+    SDL2::SDL2
+)
+
+target_link_libraries(bpp PUBLIC
+    SDL2::SDL2 SDL2::SDL2main
+)