treewide: run gofmt -s and enable linter

Change-Id: I90b8ef48c955dccfddc5bbc0a57205b7da844b60
Reviewed-on: https://review.monogon.dev/c/monogon/+/3828
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/cloud/equinix/cli/cmd_list.go b/cloud/equinix/cli/cmd_list.go
index bfbb21d..ab6b9cf 100644
--- a/cloud/equinix/cli/cmd_list.go
+++ b/cloud/equinix/cli/cmd_list.go
@@ -16,10 +16,10 @@
 )
 
 var listCmd = &cobra.Command{
-	Use: "list",
+	Use:  "list",
 	Long: `This lists all hardware reservations inside a specified organization or project.`,
-	Args:  cobra.NoArgs,
-	Run:   doList,
+	Args: cobra.NoArgs,
+	Run:  doList,
 }
 
 func init() {