chore: update documentation

plugins/cli/src/error.rs

@@ -4,8 +4,11 @@
 
 use serde::{Serialize, Serializer};
 
+/// Errors that can be returned from the CLI plugin's commands.
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
+    /// Parsing the process arguments against the CLI definition in `tauri.conf.json` failed,
+    /// e.g. because a required argument is missing or an unknown flag was passed.
     #[error("failed to parse arguments: {0}")]
     ParseCli(#[from] clap::Error),
 }
@@ -19,4 +22,5 @@ impl Serialize for Error {
     }
 }
 
+/// Alias for a [`std::result::Result`] with the error type [`Error`].
 pub type Result<T> = std::result::Result<T, Error>;