Add OPER, DIE client messages

Signed-off-by: observer <admin@shr4pnel.com>

src/main/kotlin/com/shr4pnel/ferretirc/net/messages/ClientMessage.kt

@@ -63,6 +63,15 @@ sealed class ClientMessage(val strName: String) {
         override fun toWireIntermediate() = "PASS $password"
     }
 
+    class Oper(val name: String, val password: String): ClientMessage("OPER") {
+        override fun toWireIntermediate() = "OPER $name $password"
+
+    }
+
+    class Die(): ClientMessage("DIE") {
+        override fun toWireIntermediate() = "DIE"
+    }
+
     class UNIMPLEMENTED() : ClientMessage("") {
         override fun toWireIntermediate() = ""
     }