docs: add sponsors (#4)

* docs: add sponsors

* Apply suggestion from @43081j

---------

Co-authored-by: James Garbutt <43081j@users.noreply.github.com>

Author: ghostdevv

README.md

@@ -62,6 +62,14 @@ permissions:
   pull-requests: write # To create pull requests
 ```
 
+## Sponsors
+
+<p align="center">
+  <a href="http://opencollective.com/e18e">
+    <img src="https://e18e.dev/sponsors.svg" alt="e18e community sponsors" />
+  </a>
+</p>
+
 ## License
 
 MIT