move clientside gated parts of control to the client (#70)

crates/client/src/main.rs

@@ -1,5 +1,6 @@
 mod backpack;
 mod client;
+mod control;
 mod debug;
 mod enemy;
 mod heal_effect;
@@ -124,6 +125,7 @@ fn main() {
 
     app.add_plugins(backpack::plugin);
     app.add_plugins(client::plugin);
+    app.add_plugins(control::plugin);
     app.add_plugins(debug::plugin);
     app.add_plugins(enemy::plugin);
     app.add_plugins(heal_effect::plugin);