Add temperature module

include/modules/temperature.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <fmt/format.h>
+#include <fstream>
+#include "util/sleeper_thread.hpp"
+#include "ALabel.hpp"
+
+namespace waybar::modules {
+
+class Temperature : public ALabel {
+  public:
+    Temperature(const std::string&, const Json::Value&);
+    ~Temperature() = default;
+    auto update() -> void;
+  private:
+    std::tuple<uint16_t, uint16_t> getTemperature();
+    bool isCritical(uint16_t);
+
+    std::string file_path_;
+    waybar::util::SleeperThread thread_;
+};
+
+}