bump to new idf version

CMakeLists.txt

@@ -1,6 +1,6 @@
 # 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)
+cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
-project(hello-world)
+project(hello_world)

main/CMakeLists.txt

@@ -1,2 +1,2 @@
-idf_component_register(SRCS "hello_world_main.c"
-                    INCLUDE_DIRS "")
+idf_component_register(SRCS "main.c" "font.c" "display.c" "text.c"
+                    INCLUDE_DIRS "")

sdkconfig.ci

@@ -1,6 +0,0 @@
-CONFIG_APP_BUILD_TYPE_ELF_RAM=y
-CONFIG_VFS_SUPPORT_TERMIOS=
-CONFIG_NEWLIB_NANO_FORMAT=y
-CONFIG_ESP32_PANIC_PRINT_HALT=y
-CONFIG_ESP32_DEBUG_STUBS_ENABLE=
-CONFIG_ESP_ERR_TO_NAME_LOOKUP=