Merge develop into main (#313)

- Add app path get() functions to `TactilityC`
- Improved `Dispatcher` and `DispatcherThread`
- Improved `PubSub` (type safety)
- Created test for `DispatcherThread` and `PubSub`
- Save properties files on app exit (various apps) by posting it to the main dispatcher (fixes UI hanging briefly on app exit)
- Fixed bug with `SystemSettings` being read from the wrong file path.
- `loadPropertiesFile()` now uses `file::readLines()` instead of doing that manually
- Increased timer task stack size (required due to issues when reading a properties file for the very first time)
- General cleanup
- Created `EstimatedPower` driver that uses an ADC pin to measure voltage and estimate the battery charge that is left.
- Cleanup of T-Deck board (updated to new style)

Boards/LilygoTdeck/Source/devices/Display.cpp

@@ -0,0 +1,48 @@
+#include "Display.h"
+
+#include <Gt911Touch.h>
+#include <PwmBacklight.h>
+#include <St7789Display.h>
+
+#define TDECK_LCD_SPI_HOST SPI2_HOST
+#define TDECK_LCD_PIN_CS GPIO_NUM_12
+#define TDECK_LCD_PIN_DC GPIO_NUM_11 // RS
+#define TDECK_LCD_HORIZONTAL_RESOLUTION 320
+#define TDECK_LCD_VERTICAL_RESOLUTION 240
+#define TDECK_LCD_SPI_TRANSFER_HEIGHT (TDECK_LCD_VERTICAL_RESOLUTION / 10)
+
+static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
+    // Note for future changes: Reset pin is 48 and interrupt pin is 47
+    auto configuration = std::make_unique<Gt911Touch::Configuration>(
+        I2C_NUM_0,
+        240,
+        320,
+        true,
+        true,
+        false
+    );
+
+    return std::make_shared<Gt911Touch>(std::move(configuration));
+}
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
+    auto touch = createTouch();
+
+    auto configuration = std::make_unique<St7789Display::Configuration>(
+        TDECK_LCD_SPI_HOST,
+        TDECK_LCD_PIN_CS,
+        TDECK_LCD_PIN_DC,
+        320,
+        240,
+        touch,
+        true,
+        true,
+        false,
+        true
+    );
+
+    configuration->backlightDutyFunction = driver::pwmbacklight::setBacklightDuty;
+
+    auto display = std::make_shared<St7789Display>(std::move(configuration));
+    return std::reinterpret_pointer_cast<tt::hal::display::DisplayDevice>(display);
+}