* Accelerator: partial fullnodes
1) Node can monitor a subset of shards
2) New archive slice format (sharded)
3) Validators are still required to have all shards
4) Support partial liteservers in lite-client, blockchain explorer, tonlib
5) Proxy liteserver
* Fix compilation error
* Private overlay for external messages
* Improve ext msg overlays
* Manage from validator console
* Bypass out queue size limit for high-priority messages
* Shuffle messages in get_external_messages
* Cleanup mempool when creating validator group
* Improve private overlays for externals
1. Allow using validator adnl ids in addition to fullnode ids
2. Set priority per sender, not per overlay
3. Require the same overlay name for all nodes
4. Enable lz4 in private block overlay
* Fix typo, add debug logs
* Enable lz4 in private block overlay by config
Change proto_version for lz4 in catchain overlays to 4
* Add logs for broadcasts in fullnode
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Co-authored-by: SpyCheese <mikle98@yandex.ru>
* Option "--disable-ext-msg-broadcast"
* "Get shard out queue size" query
* Move disabling ext msg broadcasts from command-line arguments to config
* Fix compilation error
* Asynchronous store_cell and gc in celldb
* Make GC in celldb work evenly over time
* Increase timeouts for downloading blocks
* Reuse blocks from previous rounds in validator session
* Use Rldp2 in FullNode for downloading persistent states and archives
* Improve logs in download-archive-slice and download-state
* Decrease delay between serializing shards
* Make CellDbIn::load_cell synchronous to avoid interfering with store_cell
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Co-authored-by: SpyCheese <mikle98@yandex.ru>
