Begin porting OpenIris from platformio to ESP-IDF, wifi works, blinking works, Preferences work, flashing etc works, configuration for xiaos works

CMakeLists.txt

@@ -0,0 +1,8 @@
+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+set(EXTRA_COMPONENT_DIRS ${CMAKE_CURRENT_LIST_DIR}/components)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(blink)