Add a line break between header images in README.md

Author: robertpiosik

README.md

@@ -6,6 +6,7 @@
       <img src="https://github.com/robertpiosik/CodeWebChat/raw/HEAD/packages/shared/src/media/logo-light.png" alt="Logo" width="160" height="160">
     </picture>
     <br />
+    <br />
     <picture>
       <source srcset="https://github.com/robertpiosik/CodeWebChat/raw/HEAD/packages/shared/src/media/code-web-chat-dark.png" media="(prefers-color-scheme: dark)">
       <source srcset="https://github.com/robertpiosik/CodeWebChat/raw/HEAD/packages/shared/src/media/code-web-chat-light.png" media="(prefers-color-scheme: light)">