Resolve "WS2Pv1: add feature prefered pubkeys"

Closes #138 (closed)

lib/modules/ws2p-v1-legacy/src/lib.rs

@@ -109,6 +109,8 @@ pub struct WS2PConf {
 pub struct WS2PUserConf {
     /// Limit of outcoming connections
     pub outcoming_quota: Option<usize>,
+    /// List of prefered public keys
+    pub prefered_pubkeys: Option<Vec<PubKey>>,
     /// Default WS2P endpoints provides by configuration file
     pub sync_endpoints: Option<Vec<EndpointV1>>,
 }