Revise README structure and logo

README.md

@@ -1,13 +1,7 @@
-<p align="center">
-  <a href="#build-framework">
-   <img src="https://raw.githubusercontent.com/armbian/build/master/.github/armbian-logo.png" alt="Armbian logo" width="144">
-  </a>
-  <br>
-  <strong>Armbian SDK</strong><br>
-<br>
-<a href=https://github.com/armbian/sdk/releases/latest><img alt="GitHub Workflow Status" src="https://img.shields.io/github/v/release/armbian/sdk?label=Download&style=for-the-badge&logoColor=black"></a>
-</p>
-
+<h2 align="center">
+  <a href=#><img src="https://raw.githubusercontent.com/armbian/.github/master/profile/logosmall.png" alt="Armbian logo"></a>
+  <br><br>
+</h2>