UX improvements: update project describe help (#193)

* update project describe examples

* generate docs

Author: DiogoFerrao

docs/stackit_project_describe.md

@@ -17,7 +17,7 @@ stackit project describe [flags]
   $ stackit project describe
 
   Get the details of a STACKIT project by explicitly providing the project ID
-  $ stackit project describe --project-id xxx
+  $ stackit project describe xxx
 
   Get the details of the configured STACKIT project, including details of the parent resources
   $ stackit project describe --include-parents

internal/cmd/project/describe/describe.go

@@ -41,7 +41,7 @@ func NewCmd() *cobra.Command {
 				"$ stackit project describe"),
 			examples.NewExample(
 				`Get the details of a STACKIT project by explicitly providing the project ID`,
-				"$ stackit project describe --project-id xxx"),
+				"$ stackit project describe xxx"),
 			examples.NewExample(
 				`Get the details of the configured STACKIT project, including details of the parent resources`,
 				"$ stackit project describe --include-parents"),