prep qoi

external/qoi/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.13...3.24 FATAL_ERROR)
+
+project(qoi C CXX)
+
+# do fetch or subtree
+
+#add_library(stb INTERFACE)
+#target_include_directories(stb SYSTEM INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}")
+
+# static lib with impl
+add_library(qoi "qoi.cpp")
+#target_link_libraries(qoi stb)
+

external/qoi/qoi.cpp

@@ -0,0 +1 @@
+// TODO: include and impl