Feature/nginx management (#483)

* Implements nginx controller and initialization

* adds nginx controller add to netmod add

* adds nginx remove to netmod remove

* fix code review issues

appmgr/src/context/rpc.rs

@@ -150,6 +150,7 @@ impl RpcContext {
             crate::net::tor::os_key(&mut secret_store.acquire().await?).await?,
             base.tor_control
                 .unwrap_or(SocketAddr::from(([127, 0, 0, 1], 9051))),
+            secret_store.clone(),
         )
         .await?;
         let managers = ManagerMap::default();