added yaml,json + configurable keys

src/cli.rs

@@ -0,0 +1,21 @@
+use clap::Parser;
+use std::path::PathBuf;
+
+#[derive(Parser, Debug)]
+#[command(author, version, about = "TUI tool to generate and edit configuration files (.env, json, yaml, toml)")]
+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)
+    #[arg(short, long)]
+    pub output: Option<PathBuf>,
+
+    /// Override the format detection (env, json, yaml, toml)
+    #[arg(short, long)]
+    pub format: Option<String>,
+}
+
+pub fn parse() -> Cli {
+    Cli::parse()
+}