Init files and working build system

.clangd

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+CompileFlags:
+  CompilationDatabase: "build"

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.25)
+project(voxela)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+find_package(OpenGL REQUIRED)
+
+include_directories(${OpenGL_INCLUDE_DIRS})
+include_directories("${CMAKE_SOURCE_DIR}/includes")
+include_directories("${CMAKE_SOURCE_DIR}/includes/lib")
+
+set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+set(GLFW_INSTALL OFF CACHE BOOL "GLFW lib only")
+set(GLAD_GL "${CMAKE_SOURCE_DIR}/src")
+
+add_subdirectory(.\\glfw-3.4)
+
+file(GLOB_RECURSE sources
+  "${CMAKE_SOURCE_DIR}/src/*.c"
+  "${CMAKE_SOURCE_DIR}/src/*.cpp"
+  "${GLAD_GL}/*.c"
+)
+
+add_executable(voxela ${sources})
+
+target_link_libraries(voxela glfw)
+target_link_libraries(voxela OpenGL::GL)