added documentation

src/cli.rs

@@ -1,13 +1,14 @@
 use clap::Parser;
 use std::path::PathBuf;
 
+/// mould: A TUI tool to generate and edit configuration files (.env, json, yaml, toml)
 #[derive(Parser, Debug)]
-#[command(author, version, about = "mould: A TUI tool to generate and edit configuration files (.env, json, yaml, toml)")]
+#[command(author, version, about)]
 pub struct Cli {
     /// The input template file (e.g., .env.example, config.json.template, docker-compose.yml)
     pub input: PathBuf,
 
-    /// Optional output file. If not provided, it will be inferred (e.g., .env.example -> .env, docker-compose.yml -> docker-compose.override.yml)
+    /// Optional output file. If not provided, it will be inferred.
     #[arg(short, long)]
     pub output: Option<PathBuf>,
 
@@ -16,6 +17,7 @@ pub struct Cli {
     pub format: Option<String>,
 }
 
+/// Parses and returns the command-line arguments.
 pub fn parse() -> Cli {
     Cli::parse()
 }