refactor(cli): simplify the cli, starting admin and all channenges

no challenge id in cli anymore, give a base addr for the challenges and
an admin addr

src/config.rs

@@ -46,13 +46,14 @@ pub const ENV_SECRET: &str = "WOOLY_SECRET";
     long_about,
     help_template = libpt::cli::args::HELP_TEMPLATE)]
 pub struct Config {
-    /// Index of the challenge
-    pub challenge: u16,
-    /// Network address to host the challenge on
+    /// Network address to host the challenges on
+    ///
+    /// The port will be the port for challenge 0. Challenge 1 will be hosted on port+1 and so on.
+    #[arg(short = 'c', long = "challenge")]
     pub addr: SocketAddr,
-    /// Network address to host the challenge on
+    /// Network address to host the admin interface on
     #[arg(short = 'a', long = "admin")]
-    pub addr_admin: Option<SocketAddr>,
+    pub addr_admin: SocketAddr,
     #[command(flatten)]
     pub verbosity: VerbosityLevel,
 }
@@ -60,10 +61,9 @@ pub struct Config {
 impl Default for Config {
     fn default() -> Self {
         Self {
-            challenge: 1,
             addr: SocketAddr::from_str("127.0.0.1:1337").unwrap(),
             verbosity: VerbosityLevel::default(),
-            addr_admin: Option::default(),
+            addr_admin: SocketAddr::from_str("127.0.0.1:8080").unwrap(),
         }
     }
 }

src/meta/mod.rs

@@ -77,9 +77,7 @@ pub async fn serve(challenges: Vec<(ChallengeDesc, VaultRef)>, config: Config) -
             )
         }));
 
-    warp::serve(routes)
-        .run(service.config.addr_admin.unwrap())
-        .await;
+    warp::serve(routes).run(service.config.addr_admin).await;
 
     warn!("exited the admin interface");
     Ok(())