updated doc on macports installation mode

Author: David Bariod

docs/src/docs/usage/install/index.mdx

@@ -53,7 +53,8 @@ brew install golangci/tap/golangci-lint
 brew upgrade golangci/tap/golangci-lint
 ```
 
-It can also be installed through [macport](https://www.macports.org/)
+It can also be installed through [macports](https://www.macports.org/)
+The macports installation mode is community driven, and not officially maintained by golangci team.
 
 ```sh
 sudo port install golangci-lint