* feat(iterator):Auto commit mode for applying log iterator

* feat(iterator):Auto commit mode for applying log iterator

* feat(iterator):Correction parameter name

* feat(iterator):mvn compile

* feat(iterator):Modify comments and annotations

* feat(iterator):Modify comments

* feat(iterator):Modify comments

* feat(rfcs):Add rfcs for Flexible-Raft-with-NWR

* feat(rfcs):Add stepDown change logic and modify parameter name for rfcs

* feat(rfcs):Modify factor calculation rules for rfcs

* feat(rfcs):Modify some language expressions

* feat(rfcs):Implementing Flexible Raft with NWR

* feat(rfcs):compile project

* feat(rfcs):compile project

* feat(rfcs):Remove useless and redundant code

* feat(rfcs):Add rfcs

* feat(flexible):add flexible mode fot Jraft

* feat(flexible):Modify rfc doc

* feat(flexible):Modify quorum code design

* feat(factor):Add ResetFactor API

* feat(flexible):compile code

* feat(flexible):modify code

* feat(flexible):modify code

* feat(flexible):compile code

* fix(flexible):modify raft.desc

* fix(flexible):modify MarshallerHelper

* fix(flexible):modify MarshallerHelper

* fix(flexible):modify RAFT.DESC

* fix(flexible):Modifying comments and code formats

* fix(flexible):Added factor persistence for log storage and Adapt to write heartbeat for w<r situations

* fix(flexible):compile code

* fix(flexible):modify test

* fix(flexible):modify test

* fix(flexible):modify code with proto version changing

* fix(flexible):modify code with proto version changing

* fix(flexible):modify code format

* fix(flexible):modify code format

* fix(flexible):change protoc version from 2.6.1 to 3.5.1

* fix(flexible):modify Class RaftError

* fix(flexible):modify Class format

* fix(flexible):modify Class format

* fix(flexible):modify Class format

* fix(flexible):change int64 to int32 in proto

* fix(flexible):change int64 to int32 in proto

* fix(flexible):avoid importing *

* fix(flexible):change comment

* fix(flexible):add this for voteCtx and preVoteCtx

* fix(flexible):change import order

* fix(flexible):change import order

* feat(flexible):Place attributes such as quorum, factor, and isEnableFlexible into Configuration

* feat(flexible):check format

* feat(flexible):Add test code for resetFactor API

* feat(flexible):modify code format

* feat(flexible):enable flexible check

* feat(flexible):comment useless code

* feat(flexible):modify code

* feat(flexible):Persisting the quorum attribute

* fix(flexible):Delete redundant haveFactor judgments

* fix(flexible):Add necessary null judgment

* fix(flexible):remove config null parameter

* fix(flexible):modify code

* fix(flexible):modify some logic mistakes、remove unused method and add BallotTest

* fix(flexible):modify config check

* fix(flexible):modify config check

* fix(flexible):remove Redundant code

* fix(flexible):remove some check and add NodeOptions.setFactor method

* fix(flexible):remove redundant code

* fix(flexible):解决majority模式下，空指针异常问题

* fix(flexible):修改部分set quorum逻辑，

* feature(flexible):添加flexible raft 测试模块

* feature(flexible):check code format

* feature(flexible):remove code

* feature(flexible):remove redundant blank lines

* feature(flexible):modify test module

* fix(LogManagerTest):modify code format

* fix(LogManagerTest):modify code format

* fix(LogManagerTest):modify code format

* feature(flexible):modify test module in core

* fix(test_core):modify test—core code

* fix(test_module):modify test_core

* fix(test_module):modify testTripleNodesV1V2Codec temporarily

* fix(test_module):modify testTripleNodesV1V2Codec temporarily

* fix(test_module):modify testTripleNodesV1V2Codec temporarily

* fix(test_module):modify testTripleNodesV1V2Codec temporarily

* fix(test_module):modify V1V2Codec error

* fix(test_module):modify V1V2Codec error

* fix(test_module):modify V1V2Codec error

* fix(test_module):modify resetPeers error

* fix(test_module):modify changePeerChaps test error

* fix(test_module):modify v1decoder error

* fix(test_module):modify v1decoder error

* fix(test_module):modify storage test

* fix(test_module):modify storage test

* fix(test_module):modify node test

* fix(test_module):modify node test

* modify code

* modify code

* modify code

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Co-authored-by: yuanziwei <yuanziwei@xiaohongshu.com>

…ure/flexible_raft