chore: Update README.md (#47)

## Motivation

Present similar README to our SDK.

Author: nieomylnieja

README.md

@@ -1,6 +1,30 @@
-# sloctl
-
-Sloctl is a command-line interface (CLI) for Nobl9.
+<!-- markdownlint-disable line-length html -->
+<h1 align="center">
+   <picture>
+      <source media="(prefers-color-scheme: dark)" srcset="https://user-images.githubusercontent.com/32738712/185149468-dc07f5d9-68c0-4922-a006-7baf6a08eaac.png">
+      <source media="(prefers-color-scheme: light)" srcset="https://user-images.githubusercontent.com/32738712/185148352-bea80385-c772-4842-8f7b-6838bb08a3f4.png">
+      <img alt="N9" src="https://user-images.githubusercontent.com/32738712/185148352-bea80385-c772-4842-8f7b-6838bb08a3f4.png" width="500" />
+   </picture><br/>
+</h1>
+
+<div align="center">
+  <table>
+    <tr>
+      <td>
+        <img alt="checks" src="https://github.com/nobl9/sloctl/actions/workflows/checks.yml/badge.svg?event=push">
+      </td>
+      <td>
+        <img alt="tests" src="https://github.com/nobl9/sloctl/actions/workflows/unit-tests.yml/badge.svg?event=push">
+      </td>
+      <td>
+        <img alt="vulnerabilities" src="https://github.com/nobl9/sloctl/actions/workflows/vulns.yml/badge.svg?event=push">
+      </td>
+    </tr>
+  </table>
+</div>
+<!-- markdownlint-enable line-length html -->
+
+Sloctl is a command-line interface (CLI) for [Nobl9](https://www.nobl9.com/).
 You can use the sloctl CLI for creating or updating multiple SLOs and
 objectives at once as part of CI/CD.