Allow hot change in deal config on boost

[LexLuthr]

What's required:

$ lotus-miner storage-deals selection --help
NAME:
   lotus-miner storage-deals selection - Configure acceptance criteria for storage deal proposals

USAGE:
   lotus-miner storage-deals selection command [command options] [arguments...]

COMMANDS:
   list     List storage deal proposal selection criteria
   reset    Reset storage deal proposal selection criteria to default values
   reject   Configure criteria which necessitate automatic rejection
   help, h  Shows a list of commands or help for one command

OPTIONS:
   --help, -h  show help (default: false)

and the below one. (I would prefer not to implement this in boost and let retrieval filter take care of that.

$ lotus-miner storage-deals 
NAME:
   lotus-miner storage-deals - Manage storage deals and related configuration

USAGE:
   lotus-miner storage-deals command [command options] [arguments...]

COMMANDS:
   set-blocklist      Set the miner's list of blocklisted piece CIDs
   get-blocklist      List the contents of the miner's piece CID blocklist
   reset-blocklist    Remove all entries from the miner's piece CID blocklist