[code] improve structure (focus: server)

crates/lanspread-server/src/cli.rs

@@ -0,0 +1,23 @@
+use std::{net::IpAddr, path::PathBuf};
+
+use clap::Parser;
+
+#[allow(clippy::doc_markdown)]
+#[derive(Debug, Parser)]
+pub(crate) struct Cli {
+    /// IP address to bind to.
+    #[clap(long)]
+    pub(crate) ip: IpAddr,
+    /// Listen port.
+    #[clap(long)]
+    pub(crate) port: u16,
+    /// Game database path (SQLite).
+    #[clap(long)]
+    pub(crate) db: PathBuf,
+    /// Games folder.
+    #[clap(long)]
+    pub(crate) game_dir: PathBuf,
+    /// Thumbnails folder.
+    #[clap(long)]
+    pub(crate) thumbs_dir: PathBuf,
+}