pbr: update to 1.1.8-32

pbr: update to 1.1.8-32

Makefile:
  - add SPDX-Identifier-License
  - update Copyright

README:
  - add basic README with the link to full documentation

Config:
  - add debug_dnsmasq
  - add procd_boot_trigger_delay

Init Script:
  - move extra_command calls high up for visibility
  - bump packageCompat to sync with luci app
  - implement support for debug_dnsmasq to dump dnsmasq debug into $packageDebugFile
  - create $runningStatusFile json-file allowing more verbose errors/warnings messages
  - replaced `state add` calls with json add calls to store errors/warnings messages
  - remove no longer needed errorSummary, warningSummary
  - ensure environment is only loaded once per run via $load_environment_flag
  - bugfix: update is_{host,hostname,domain,ipv4,mac_address} functions to properly sort policy entries
  - bugfix: change references to melmac.net to melmac.ca
  - add some new error/warning messages
  - add delay before service is started on boot via procd_boot_trigger_delay
  - bugfix: add logic to identify unknown policy entries instead of silently failing on them
  - store error/warning messages as json objects in ubus data for luci app
  - update load_validate_config with debug_dnsmasq and procd_boot_trigger_delay entries

Signed-off-by: Stan Grishin <[email protected]>