docs(rust): improve docs for ockam enroll and ockam identity show

implementations/rust/ockam/ockam_command/src/enroll/static/long_about.txt

@@ -1,3 +1,3 @@
-When you run this command for the first time, it creates a space for you to host your projects, as well as a default project for you within this space.
+When you run this command for the first time, it creates a space for you in Ockam Orchestrator, the SaaS service. This is where you host your projects, as well as a default project for you within this space.
 
 It also generates a unique cryptographically provable identity and saves the corresponding key in a vault. This identity is issued a membership credential that will be used to manage the resources in your project. Optionally, you can pass an existing identity.

implementations/rust/ockam/ockam_command/src/identity/show.rs

@@ -23,6 +23,7 @@ pub struct ShowCommand {
     #[arg()]
     name: Option<String>,
 
+    /// Show the full identity history, and not just the identifier or the nameq
     #[arg(short, long)]
     full: bool,