Optimize README with refactor and roadmap

README.md

@@ -1,19 +1,10 @@
 # OPML: OPtimistic Machine Learning on Blockchain
 
-
----
-
 OPML enables off-chain AI model inference using optimistic approach with an on chain interactive dispute engine implementing fault proofs.
 
-## Directory Layout
-
-```
-mlgo -- A tensor library for machine learning in pure Golang that can run on MIPS.
-mlvm -- A MIPS runtime with ML execution
-contracts -- A Merkleized MIPS processor on chain + the challenge logic
-```
+For more in-depth information, refer to the [project wiki](https://github.com/hyperoracle/opml/wiki).
 
-For more in-depth information, please refer to the [project wiki](https://github.com/hyperoracle/opml/wiki). Additionally, you can find a tutorial on building a straightforward handwritten digit recognition DNN model (MNIST) within OPML in the [`docs/tutorial.md`](docs/tutorial.md).
+You can also find a tutorial on building a straightforward handwritten digit recognition DNN model (MNIST) within OPML in the [`docs/tutorial.md`](docs/tutorial.md).
 
 ## Building
 
@@ -27,17 +18,49 @@ make build
 
 The script files [`demo/challenge_simple.sh`](demo/challenge_simple.sh) presents an example scenario (a DNN model for MNIST) demonstrating the whole process of a fault proof, including the challenge game and single step verification.
 
-To test the example, we should first start a local node
+To test the example, we should first start a local node:
+
 ```shell
 npx hardhat node
 ```
-Then we can run 
+
+Then we can run:
+
 ```shell
 sh ./demo/challenge_simple.sh
 ```
 
 A large language model, the 7B-llama example is provided in the branch ["llama"](https://github.com/hyperoracle/opml/tree/llama).
 
+## Roadmap
+
+🔨 = Pending
+
+🛠 = Work In Progress
+
+✅ = Feature complete
+
+
+| Feature |  Status |
+| ------- |  :------: |
+| **Supported Model** |    |
+| DNN for MNIST | ✅ |
+| LLaMA | ✅ |
+| **Mode** |    |
+| Inference| ✅ |
+| Training | 🔨 |
+| Fine-tuning | 🔨 |
+| **Optimization** |    |
+| zk fault proof with zkOracle| 🛠 |
+
+## Project Structure
+
+```
+mlgo -- A tensor library for machine learning in pure Golang that can run on MIPS.
+mlvm -- A MIPS runtime with ML execution
+contracts -- A Merkleized MIPS processor on chain + the challenge logic
+```
+
 ## License
 
 This code is MIT licensed.