fix: add 'serviceconnections' alias for get serviceconnection

Add plural form alias to match the pattern used by other resources
like mysqldatabases, postgresdatabases, and applications.

Fixes #328

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: thomhug

get/get.go

@@ -38,7 +38,7 @@ type Cmd struct {
 	KeyValueStore       keyValueStoreCmd      `cmd:"" group:"storage.nine.ch" name:"keyvaluestore" aliases:"kvs" help:"Get KeyValueStore instances."`
 	All                 allCmd                `cmd:"" name:"all" help:"Get project content."`
 	CloudVirtualMachine cloudVMCmd            `cmd:"" group:"infrastructure.nine.ch" name:"cloudvirtualmachine" aliases:"cloudvm" help:"Get a CloudVM."`
-	ServiceConnection   serviceConnectionCmd  `cmd:"" group:"networking.nine.ch" name:"serviceconnection" aliases:"sc" help:"Get a ServiceConnection."`
+	ServiceConnection   serviceConnectionCmd  `cmd:"" group:"networking.nine.ch" name:"serviceconnection" aliases:"sc,serviceconnections" help:"Get a ServiceConnection."`
 	Bucket              bucketCmd             `cmd:"" group:"storage.nine.ch" name:"bucket" help:"Get Bucket instances."`
 	BucketUser          bucketUserCmd         `cmd:"" group:"storage.nine.ch" name:"bucketuser" aliases:"bu" help:"Get BucketUser instances."`
 }