Implement dkg command

[iamquang95]

Description

Implement cmd/dkg command

Acceptance criteria

Should port all tests from charon and pass these tests. Should have a demo/runnable example.

[iamquang95]

Sub issues

• Implement app/privkeylock #44
• dkg
  • Implement dkg/dkg #251
  • Implement dkg/bcast #132
  • Implement dkg/sync #133
  • Implement dkg/disk #252
  • Implement dkg/exchanger #253
  • Implement dkg/frost #254
  • Implement dkg/frostp2p #255
  • Implement dkg/nodesigs #256
  • Implement dkg/share #257
• Implement core/parsigdb #174
• Implement core/parsigex #175
• Implement app/utils #245
• Implement p2p/bootnode #130
• Implement cluster/helpers #246
• Implemenet Definition.verify_signatures #247
• Implement Lock.verify_signatures #248
• Finish cluster/version #249
• Implement core/signneddata #250