migrate to cmake based IDF

CMakeLists.txt

@@ -0,0 +1,13 @@
+# The following lines of boilerplate have to be in your project's CMakeLists
+# in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+add_compile_options(-fdiagnostics-color=always)
+
+project(dustbutt)
+
+target_add_binary_data(dustbutt.elf "main/certs/priv.pem" TEXT)
+target_add_binary_data(dustbutt.elf "main/certs/pub.pem" TEXT)
+target_add_binary_data(dustbutt.elf "main/certs/certs.pem" TEXT)

main/CMakeLists.txt

@@ -0,0 +1,10 @@
+set(COMPONENT_SRCS "\
+  main.c\
+")
+
+set(COMPONENT_ADD_INCLUDEDIRS "\
+  .\
+  ../include\
+")
+
+register_component()