docs: update the ROADMAP.

Author: nkaz001

ROADMAP.md

@@ -1,7 +1,5 @@
 # Roadmap
 
-Currently, the Rust implementation is being more actively developed especially for new features.
-
 ## Python
 * [X] Rust implementation as the backend.
 * [X] Improve performance reporting tools.
@@ -60,4 +58,6 @@ Currently, the Rust implementation is being more actively developed especially f
 * [ ] Example demonstrating latency-aware actions.
 * [ ] Example demonstrating the volume clock/event clock using `wait_next_feed`.
 * [ ] Example demonstrating the cross-market market-making.
+* [ ] Fair value pricing from the perspectives of statistical arbitrage and optimal execution.
+* [ ] Queue-position-based market making for large-tick assets.
 * [X] Update the existing examples to align with version 2.0.0.