doc: Add some build instructions to README

4 jobs for build-instructions in 57 seconds (queued for 1 second)
Status Name Job ID Coverage
  Container
passed build-container-aarch64 #7293413
aarch64

00:00:17

passed build-container-x86_64 #7293412

00:00:17

 
  Build
passed build-aarch64 #7293415
aarch64

00:00:39

passed build-x86_64 #7293414

00:00:29