Add documentation to the cli args

src/cli.rs

@@ -10,25 +10,35 @@ pub struct Cli {
 
 #[derive(Subcommand)]
 pub enum Commands {
+    /// Create a ticket
     Create {
+        /// The project key in which to create the ticket
         #[arg(long)]
         project: Option<String>,
 
+        /// Open the new ticket in a browser
         #[arg(long)]
         open: bool,
 
+        /// A markdown file
         #[arg(value_name = "MARKDOWN_FILE")]
         markdown_file: Option<PathBuf>,
     },
+    /// Find tickets currently assigned to you
     List {
+        /// Print json rather than pretty print
         #[arg(long)]
         json: bool,
     },
+    /// Setup the configuration
     Init {
+        /// Jira instance URL
         #[arg(long)]
         url: String,
+        /// User email
         #[arg(long)]
         email: String,
+        /// User Token
         #[arg(long)]
         token: String,
     },