placeholder contact form url (#334)

* placeholder contact form url

* Gateway URL update

* Mixnode url update

mixnode/src/commands/init.rs

@@ -74,6 +74,14 @@ pub fn command_args<'a, 'b>() -> clap::App<'a, 'b> {
         )
 }
 
+fn show_incentives_url() {
+    println!("\n##### NOTE #####");
+    println!(
+        "\nIf you would like to join our testnet incentives program, please visit https://nymtech.net/incentives"
+    );
+    println!("\n\n");
+}
+
 pub fn execute(matches: &ArgMatches) {
     let id = matches.value_of("id").unwrap();
     println!("Initialising mixnode {}...", id);
@@ -102,5 +110,7 @@ pub fn execute(matches: &ArgMatches) {
         .expect("Failed to save the config file");
     println!("Saved configuration file to {:?}", config_save_location);
 
-    println!("Mixnode configuration completed.\n\n\n")
+    println!("Mixnode configuration completed.\n\n\n");
+
+    show_incentives_url();
 }