Update filenames from plugins to modules

src/modules/ExternalNotificationModule.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "SinglePortPlugin.h"
+#include "concurrency/OSThread.h"
+#include "configuration.h"
+#include <Arduino.h>
+#include <functional>
+
+/*
+ * Radio interface for ExternalNotificationPlugin
+ *
+ */
+class ExternalNotificationPlugin : public SinglePortPlugin, private concurrency::OSThread
+{
+  public:
+    ExternalNotificationPlugin();
+
+    void setExternalOn();
+    void setExternalOff();
+    void getExternal();
+
+  protected:
+    // virtual MeshPacket *allocReply();
+
+    /** Called to handle a particular incoming message
+
+    @return ProcessMessage::STOP if you've guaranteed you've handled this message and no other handlers should be considered for it
+    */
+    virtual ProcessMessage handleReceived(const MeshPacket &mp) override;
+
+    virtual int32_t runOnce() override;
+};