ESP IDF Files

<project-directory-name>/CMakeLists.txt
- set project name: project(<project-name>)
<project-directory-name>/sdkconfig
- SDK configuration variables (do not edit)
<project-directory-name>/sdkconfig.default
- optional
- SDK configuration variables - user serviceable parts inside
- changing values:
  - enter into sdkconfig.default
  - remove from sdkconfig
  - run: idf.py fullclean build
- CONFIG_FREERTOS_HZ= (maximum value: 1000, default: 100)
<project-directory-name>/build/
- directory used by the build process
<project-directory-name>/main/
- source code dirctory