Merge pull request #7 from fzyzcjy/master

Downgrade CMake 3.17 -> 3.16 for CLion IDE users to build the project and enjoy intelligent code completion

CMakeLists.txt

 
-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.16)
 
 # define project
 

deps/glad/CMakeLists.txt

-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.16)
 
 project(glad LANGUAGES CXX)
 

deps/imgui/CMakeLists.txt

-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.16)
 
 project(imgui LANGUAGES CXX)
 

deps/nfd/CMakeLists.txt

-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.16)
 
 if(UNIX AND NOT APPLE)
 	set(LINUX TRUE)

deps/sf_libs/CMakeLists.txt

-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.16)
 
 project(sf_libs LANGUAGES CXX)