Add Sponsor Trella (#58)

.github/FUNDING.yml

@@ -2,7 +2,7 @@
 
 github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
 patreon: # Replace with a single Patreon username
-open_collective: gogearbox
+#open_collective: gogearbox
 ko_fi: # Replace with a single Ko-fi username
 tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
 community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry

README.md

@@ -163,9 +163,19 @@ func main() {
 + Add a [GitHub Star](https://github.com/gogearbox/gearbox/stargazers)
 + [Suggest new features, ideas and optimizations](https://github.com/gogearbox/gearbox/issues)
 + [Report issues](https://github.com/gogearbox/gearbox/issues)
++ Donating a [cup of coffee](https://buymeacoff.ee/gearbox)
+
 
 Check [Our Docs](https://gogearbox.com/docs) for more information about **gearbox** and how to **contribute**
 
+### Sponsors
+Gearbox is an open source project sponsored by companies and organizations to make it better
+
+| <img src="https://raw.githubusercontent.com/gogearbox/gearbox/master/assets/trella-sponsor.png"/> 	|
+|:-:	|
+| [trella](https://trella.app): *A b2b technology platform and trucking <br/>marketplace that connects shippers with carriers* |
+
+
 ### Contributors
 
 <a href="https://github.com/gogearbox/gearbox/graphs/contributors">