Master tracker for snap sync

[g11tech]

This is a master tracker for snap-sync PR/tasks

• DevP2P: add snap protocol #1883
  • devp2p: Snap devp2p tests #1893
• trie: add verifyRangeProof #1731
• client: Add client protocol and synchronizer for snap sync #1897
  • client: Add snap protocol client tests #1933
  • client: snap protocol tests #2119
• Test call and verify other methods
  • Test Call GetAccountRange: client: Enhance snap protocol spec tests #2157
  • Test Call GetByteCodes: client: Enhance snap protocol spec tests #2157
  • Test Call GetTrieNodes: client: tests for getTrieNodes and trieNodes SNAP messages #2282
• Build fetchers and just dump it into a mock MPT
  • GetAccountRange
    • client: snap protocol fetchers #2070
    • client: create snap sync fetcher to sync accounts #2107
  • GetStorageRange: client: Add support for storage and bytecode fetching #2345
  • GetByteCodes: client: Add snap bytecode fetcher #2602
  • GetTrieNodes: client: add trienode fetcher for snap sync #2623
• Build MPT and successfully run move the chain forward on a normal eth sync
• Chart out behavior of non static peer and map next steps

cc @scorbajio @jochem-brouwer @holgerd77 @acolytec3

[scorbajio]

#2070 is being continued at #2107.

[scorbajio]

Closing this and continuing on #2874.