docs: add powered by section with relevant JetBains IDE

JetBrains is providing a license for GoLang to the maintainer
of this project as part of their open source program.

Also, the license section is no longer relevant since
it's already displayed in multiple places by GitHub.

Author: buchdag

README.md

@@ -503,6 +503,6 @@ make get-deps
 make
 ```
 
-### License
+### Powered by 
 
-MIT
+[![GoLand logo](https://resources.jetbrains.com/storage/products/company/brand/logos/GoLand_icon.svg)](https://www.jetbrains.com/go/)