* cmake : allow libcommon to be shared * cmake : rename libcommon to libllama-common * cont : set -fPIC for httplib * cont : export all symbols * cont : fix build_info exports * libs : add libllama-common-base * log : add common_log_get_verbosity_thold()
* examples : add idle * metal : attach residency sets to queue * idle : add link * idle : adjust intervals * metal : add residency sets keep-alive heartbeat * cont : adjust default keep-alive time