Weekly summary (July 8 to July 14)

Continue reading Raft's papers and related materials
Basically determine the implementation plan as Raft-RS + Tonic + Prost
Determine RPC operation and integrate with Raft message: https://github.com/PsiACE/casbin-proto/tree/c30c04a5ac1107b183d69e6b62798fd7e78c0808
Define the types of errors that may need to be used: https://github.com/PsiACE/casbin-types/tree/a17f114f9b8e6557bb030a47388168e7fa6a5ce1
Implemented Raft-Storage based on Sled: https://github.com/PsiACE/raft-storage/tree/c82d9cf109231b1dcd9462e3556e066629e7a3b9