Website: move p2p related doc to their own section

Author: dannywillems

p2p/README.md

@@ -0,0 +1,21 @@
+# P2P Networking
+
+This directory contains OpenMina's peer-to-peer networking implementation.
+
+## Documentation
+
+For comprehensive documentation about OpenMina's P2P networking architecture,
+please visit our documentation website:
+
+📖
+**[P2P Networking Documentation](https://o1-labs.github.io/openmina/developers/p2p-networking)**
+
+The documentation covers:
+
+- **[P2P Networking Overview](https://o1-labs.github.io/openmina/developers/p2p-networking)** -
+  Design goals, poll-based architecture, and implementation details
+- **[WebRTC Implementation](https://o1-labs.github.io/openmina/developers/webrtc)** -
+  WebRTC transport layer for Rust-to-Rust communication
+- **[LibP2P Implementation](https://o1-labs.github.io/openmina/developers/libp2p)** -
+  LibP2P stack for OCaml node compatibility
+  [Architecture Overview](https://o1-labs.github.io/openmina/developers/architecture)