docs(l1): update milestone progress. (#1580)

README.md

@@ -67,7 +67,7 @@ In a bit more detail:
 |  Add `libmdbx` bindings and basic API, create tables for state (blocks, transactions, etc)                                               | ✅
 |   EVM wrapper for block execution                                                       | ✅     |
 |    JSON RPC API server setup                                                      | ✅     |
-|    RPC State-serving endpoints                                                     | 🏗️  (almost done, a few endpoints are left)   |
+|    RPC State-serving endpoints                                                     | ✅   |
 |    Basic Engine API implementation. Set new chain head (`forkchoiceUpdated`) and new block (`newPayload`).                                                   | ✅
 
 See detailed issues and progress for this milestone [here](https://github.com/lambdaclass/ethrex/milestone/1).
@@ -79,7 +79,7 @@ Implement support for block reorganizations and historical state queries. This m
 |  Task Description      | Status                                                                 |
 | --------- |  --------------------------------------------------------------------------- |
 |   Persist data on an on-disk Merkle Patricia Tree using `libmdbx`                                       | ✅
-|   Engine API `forkchoiceUpdated` implementation (without `payloadAttributes`)                                                     | 🏗️
+|   Engine API `forkchoiceUpdated` implementation (without `payloadAttributes`)                                                     | ✅
 |    Support for RPC historical queries, i.e. queries (`eth_call`, `eth_getBalance`, etc) at any block                                       | ✅
 
 Detailed issues and progress [here](https://github.com/lambdaclass/ethrex/milestone/4).
@@ -90,8 +90,8 @@ Add the ability to build new payloads (blocks), so the consensus client can prop
 
 |  Task Description      | Status                                                                 |
 | --------- |  --------------------------------------------------------------------------- |
-|   `engine_forkchoiceUpdated` implementation with a non-null `payloadAttributes`                                      | 🏗️
-|   `engine_getPayload` endpoint implementation that builds blocks.                                                     | 🏗️
+|   `engine_forkchoiceUpdated` implementation with a non-null `payloadAttributes`                                      | ✅
+|   `engine_getPayload` endpoint implementation that builds blocks.                                                     | ✅
 |    Implement a mempool and the `eth_sendRawTransaction` endpoint where users can send transactions                                      | ✅
 
 Detailed issues and progress [here](https://github.com/lambdaclass/ethrex/milestone/5).
@@ -114,7 +114,7 @@ Add support for the `SNAP` protocol, which lets us get a recent copy of the bloc
 
 |  Task Description      | Status                                                                 |
 | --------- |  --------------------------------------------------------------------------- |
-|   Implement `SNAP` protocol for snap syncing                                    | ❌
+|   Implement `SNAP` protocol for snap syncing                                    | 🏗️
 
 Detailed issues and progress [here](https://github.com/lambdaclass/ethrex/milestone/3).