Release version 12.3.0

Features

• Add YOLOv5 example by @isak-jakobsson in #354

Updates

• Refactor web-server example by @pataxis in #340
• Add notice about larod loading time by @isak-jakobsson in #341
• Fix expected output log for A9 by @isak-jakobsson in #342
• Declare main void when argc and argv are unused by @killenheladagen in #343
• Remove calls to closelog() from main() by @killenheladagen in #344
• Remove "return 0" from end of main() by @killenheladagen in #347
• Add example guidelines by @pataxis in #349
• maint: Update and align 'make clean' by @pataxis in #351
• shell-script-example: No need for using a Makefile when arch all by @pataxis in #352
• Add signal handling for licensekey example by @isak-jakobsson in #356

Full Changelog: 12.2.0...12.3.0