docs: update readme (#13)

Author: barrutko

README.md

@@ -1,4 +1,4 @@
-# <TITLE>
+# Spark Address Registry
 
 <!-- ![Foundry CI](https://github.com/{org}/{repo}/actions/workflows/ci.yml/badge.svg)
 [![Foundry][foundry-badge]][foundry]
@@ -7,19 +7,9 @@
 [foundry]: https://getfoundry.sh/
 [foundry-badge]: https://img.shields.io/badge/Built%20with-Foundry-FFDB1C.svg
 
-Description of project goes here.
+This repository contains addresses of all smart contracts used in the Spark ecosystem.
 
-## Usage
-
-```bash
-forge build
-```
-
-## Test
-
-```bash
-forge test
-```
+Use this repository as the primary source of truth when looking for the canonical addresses of Spark infrastructure.
 
 ***
-*The IP in this repository was assigned to Mars SPC Limited in respect of the MarsOne SP*
+*The IP in this repository was assigned to Mars SPC Limited in respect of the MarsOne SP*