Initial battery impl

src/modules/battery/battery.h

@@ -0,0 +1,21 @@
+// Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
+// Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+#include "base/module_base.h"
+#include "modules/logger/system_logger.h"
+#include <Arduino.h>
+
+class battery : public module_base {
+
+private:
+  system_logger *_logger;
+  ring_buffer<Task, 16> _queue;
+
+public:
+  int push(const Task &task) override;
+  battery();
+  battery(system_logger *logger);
+  ~battery();
+};