chore: add usage

Author: kopy-kat

README.md

@@ -22,6 +22,20 @@ The Registry aims to solve this concern by providing a means of verifying the le
 security of independently built smart account modules for installation and use across any integrated
 smart account. It allows entities to attest to statements about modules and smart accounts to query these at module nstallation and/or execution time. The Registry is a Singleton that is free, open and permissionless. It also serves as the reference implementation for [ERC-7484](https://eips.ethereum.org/EIPS/eip-7484).
 
+## Usage
+
+## Installation
+
+```bash
+pnpm install
+```
+
+## Testing
+
+```bash
+pnpm test
+```
+
 ## Core Concepts
 
 ### Attestations