Fix image source for Meshery community link

Updated image source for community link in README.

Signed-off-by: Cooper Fitzgerald <182300328+fitzergerald@users.noreply.github.com>

Author: fitzergerald

README.md

@@ -69,7 +69,7 @@ Find out more on the <a href="https://meshery.io/community#meshmates">Meshery co
 <br /><br />
 <div style="display: flex; justify-content: center; align-items:center;">
 <div>
-<a href="https://meshery.io/community"><img alt="Meshery Cloud Native Community" src="https://docs.meshery.io/assets/img/readme/community.png" width="140px" style="margin-right:36px; margin-bottom:7px;" width="140px" align="left"/></a>
+<a href="https://meshery.io/community"><img alt="Meshery Cloud Native Community" src="https://raw.githubusercontent.com/meshery/meshery/master/.github/assets/images/readme/community.png" width="140px" style="margin-right:36px; margin-bottom:7px;" width="140px" align="left"/></a>
 </div>
 <div style="width:60%; padding-left: 16px; padding-right: 16px">
 <p>
@@ -924,4 +924,4 @@ This repository and site are available as open-source under the terms of the [Ap
 
 <p align="center" >
 MESHERY IS A CLOUD NATIVE COMPUTING FOUNDATION PROJECT
-</p>
+</p>