Updated screenshots and .gitignore of HelloWorld (#291)

* T-Deck Pro work in progress

* Add .gitignore to HelloWorld

Boards/LilygoTdeckPro/Source/hal/TdeckPower.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "Tactility/hal/power/PowerDevice.h"
+#include <esp_adc/adc_oneshot.h>
+#include <memory>
+
+using tt::hal::power::PowerDevice;
+
+class TdeckPower : public PowerDevice {
+
+    adc_oneshot_unit_handle_t adcHandle = nullptr;
+
+public:
+
+    TdeckPower();
+    ~TdeckPower();
+
+    std::string getName() const final { return "ADC Power Measurement"; }
+    std::string getDescription() const final { return "Power measurement interface via ADC pin"; }
+
+    bool supportsMetric(MetricType type) const override;
+    bool getMetric(MetricType type, MetricData& data) override;
+
+private:
+
+    bool readBatteryVoltageSampled(uint32_t& output);
+    bool readBatteryVoltageOnce(uint32_t& output);
+};
+
+std::shared_ptr<PowerDevice> tdeck_get_power();