feat: add CLI for api server

crates/api_server/Cargo.toml

@@ -9,6 +9,7 @@ version     = "0.1.0"
 [dependencies]
 anyhow = { workspace = true }
 serde  = { workspace = true }
+clap   = { workspace = true }
 
 actix-web  = "4"
 actix-cors = "0.7"

crates/api_server/src/main.rs

@@ -1,5 +1,6 @@
 use actix_cors::Cors;
 use actix_web::{error, get, web, App, HttpServer, Result};
+use clap::Parser;
 use dt_core::{
     graph::used_by_graph::UsedByGraph,
     portable::Portable,
@@ -140,12 +141,18 @@ async fn search(
     }))
 }
 
+#[derive(Parser)]
+#[command(version, about = "Start the server to provide search API", long_about = None)]
+struct Cli {
+    /// Portable path
+    #[arg(short)]
+    portable: String,
+}
+
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    // TODO: get portable path from args
-    // let mut file = File::open("<the portable path>")?;
-    let mut file =
-        File::open("/Users/linweitang/rust/js-symbol-dependency-tracker/outputs/naopleon-06.json")?;
+    let cli = Cli::parse();
+    let mut file = File::open(cli.portable)?;
     let mut exported = String::new();
     file.read_to_string(&mut exported)?;
     let portable = Portable::import(&exported).unwrap();