update readme (#74)

Author: seunlanlege

Cargo.lock

@@ -1,4 +1,4 @@
-# pallet-ismp ![Unit Tests](https://github.com/polytope-labs/substrate-ismp/actions/workflows/ci.yml/badge.svg) [![Telegram: YourGroup](https://img.shields.io/badge/-Telegram-blue?style=flat-square&logo=Telegram&logoColor=white&link=https://t.me/YourGroup)](https://t.me/ismp_guide) [![Discord: YourServer](https://img.shields.io/badge/-Discord-7289DA?style=flat-square&logo=Discord&logoColor=white&link=https://discord.gg/YourServer)](https://discord.gg/vKAa3XcCBX)
+# ismp-substrate ![Unit Tests](https://github.com/polytope-labs/substrate-ismp/actions/workflows/ci.yml/badge.svg) [![Telegram: YourGroup](https://img.shields.io/badge/-Telegram-blue?style=flat-square&logo=Telegram&logoColor=white&link=https://t.me/YourGroup)](https://t.me/ismp_guide) [![Discord: YourServer](https://img.shields.io/badge/-Discord-7289DA?style=flat-square&logo=Discord&logoColor=white&link=https://discord.gg/YourServer)](https://discord.gg/vKAa3XcCBX)
 
 Implementation of the Interoperable State Machine Protocol for substrate runtimes. This project is [funded by the web3 foundation](https://github.com/w3f/Grants-Program/blob/master/applications/ismp.md).
 
@@ -18,6 +18,11 @@ This repo holds all the required components substrate runtimes need to interoper
 - [ismp-parachain-inherent](./parachain/inherent)
 - [ismp-parachain-runtime-api](./parachain/runtime-api)
 
+### Solochain Support
+
+- [ismp-grandpa](./grandpa)
+- [ismp-grandpa-prover](./grandpa/prover)
+
 ## Documentation
 
 Installation and integration guides can be found in the [book](https://ismp.polytope.technology).