go: add Build a blockchain from scratch in Go with gRPC

This resolves the issue yjjnls#42

README.md

@@ -365,6 +365,18 @@ These apps run on a custom built **blockchain, an enormously powerful shared glo
     -   [_Part 5: Addresses_](https://jeiwan.net/posts/building-blockchain-in-go-part-5/)
     -   [_Part 6: Transactions 2_](https://jeiwan.net/posts/building-blockchain-in-go-part-6/)
     -   [_Part 7: Network_](https://jeiwan.net/posts/building-blockchain-in-go-part-7/)
+-   [**Go: Build a blockchain from scratch in Go with gRPC**](https://github.com/volodymyrprokopyuk/go-blockchain)
+    -   [_Part 1: Getting started_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/getting-started.org)
+    -   [_Part 2: Account_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/account.org)
+    -   [_Part 3: Transaction_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/transaction.org)
+    -   [_Part 4: Block_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/block.org)
+    -   [_Part 5: State_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/state.org)
+    -   [_Part 6: State sync_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/state-sync.org)
+    -   [_Part 7: Peer discovery_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/peer-discovery.org)
+    -   [_Part 8: Transaction relay_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/transaction-relay.org)
+    -   [_Part 9: Block proposer_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/block-proposer.org)
+    -   [_Part 10: Event stream_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/event-stream.org)
+    -   [_Part 11: Blockchain node_](https://github.com/volodymyrprokopyuk/go-blockchain/blob/main/doc/blockchain-node.org)
 -   [**Go**: _Building A Simple Blockchain with Go_](https://www.codementor.io/codehakase/building-a-simple-blockchain-with-go-k7crur06v)
 -   [**Go**: _Code your own blockchain in less than 200 lines of Go_](https://medium.com/@mycoralhealth/code-your-own-blockchain-in-less-than-200-lines-of-go-e296282bcffc)
 -   [**Go**: _Code your own blockchain mining algorithm in Go_](https://medium.com/@mycoralhealth/code-your-own-blockchain-mining-algorithm-in-go-82c6a71aba1f)