Edit object-storage credentials-group command descriptions (#127)

* Edit command descriptions

* Update docs

Author: GokceGK

docs/stackit_object-storage_credentials-group.md

@@ -29,6 +29,6 @@ stackit object-storage credentials-group [flags]
 
 * [stackit object-storage](./stackit_object-storage.md)	 - Provides functionality regarding Object Storage
 * [stackit object-storage credentials-group create](./stackit_object-storage_credentials-group_create.md)	 - Creates a credentials group to hold Object Storage access credentials
-* [stackit object-storage credentials-group delete](./stackit_object-storage_credentials-group_delete.md)	 - Deletes a credentials group
-* [stackit object-storage credentials-group list](./stackit_object-storage_credentials-group_list.md)	 - Lists all credentials groups
+* [stackit object-storage credentials-group delete](./stackit_object-storage_credentials-group_delete.md)	 - Deletes a credentials group that holds Object Storage access credentials
+* [stackit object-storage credentials-group list](./stackit_object-storage_credentials-group_list.md)	 - Lists all credentials groups that hold Object Storage access credentials
 

docs/stackit_object-storage_credentials-group_delete.md

@@ -1,10 +1,10 @@
 ## stackit object-storage credentials-group delete
 
-Deletes a credentials group
+Deletes a credentials group that holds Object Storage access credentials
 
 ### Synopsis
 
-Deletes a credentials group. Only possible if there are no valid credentials (access-keys) left in the group, otherwise it will throw an error.
+Deletes a credentials group that holds Object Storage access credentials. Only possible if there are no valid credentials (access-keys) left in the group, otherwise it will throw an error.
 
 ```
 stackit object-storage credentials-group delete CREDENTIALS_GROUP_ID [flags]

docs/stackit_object-storage_credentials-group_list.md

@@ -1,10 +1,10 @@
 ## stackit object-storage credentials-group list
 
-Lists all credentials groups
+Lists all credentials groups that hold Object Storage access credentials
 
 ### Synopsis
 
-Lists all credentials groups.
+Lists all credentials groups that hold Object Storage access credentials.
 
 ```
 stackit object-storage credentials-group list [flags]

internal/cmd/object-storage/credentials-group/delete/delete.go

@@ -29,8 +29,8 @@ type inputModel struct {
 func NewCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   fmt.Sprintf("delete %s", credentialsGroupIdArg),
-		Short: "Deletes a credentials group",
-		Long:  "Deletes a credentials group. Only possible if there are no valid credentials (access-keys) left in the group, otherwise it will throw an error.",
+		Short: "Deletes a credentials group that holds Object Storage access credentials",
+		Long:  "Deletes a credentials group that holds Object Storage access credentials. Only possible if there are no valid credentials (access-keys) left in the group, otherwise it will throw an error.",
 		Args:  args.SingleArg(credentialsGroupIdArg, utils.ValidateUUID),
 		Example: examples.Build(
 			examples.NewExample(

internal/cmd/object-storage/credentials-group/list/list.go

@@ -29,8 +29,8 @@ type inputModel struct {
 func NewCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "list",
-		Short: "Lists all credentials groups",
-		Long:  "Lists all credentials groups.",
+		Short: "Lists all credentials groups that hold Object Storage access credentials",
+		Long:  "Lists all credentials groups that hold Object Storage access credentials.",
 		Args:  args.NoArgs,
 		Example: examples.Build(
 			examples.NewExample(