feat: initial cli and config

src/cli.rs

@@ -0,0 +1,21 @@
+use std::path::PathBuf;
+
+use clap::{ArgGroup, Parser};
+
+/// Deploy hobby projects from a local PC to a VPS over SSH.
+#[derive(Debug, Parser)]
+#[command(name = "xboctploy", version, about)]
+#[command(group = ArgGroup::new("target").required(true).args(["project", "list"]))]
+pub struct Cli {
+    /// Project name from deploy.toml
+    pub project: Option<String>,
+    /// Explicit path to the config file
+    #[arg(long, value_name = "PATH")]
+    pub config: Option<PathBuf>,
+    /// Print planned steps without executing anything
+    #[arg(long)]
+    pub dry_run: bool,
+    /// List configured projects and exit
+    #[arg(long)]
+    pub list: bool,
+}