Grove driver, I2C migrations, bugfixes and docs (#532)

Devices/lilygo-tdeck/Source/devices/TdeckKeyboard.h

@@ -1,17 +1,23 @@
 #pragma once
 
 #include <Tactility/hal/keyboard/KeyboardDevice.h>
-#include <Tactility/TactilityCore.h>
+
+struct Device;
 
 class TdeckKeyboard final : public tt::hal::keyboard::KeyboardDevice {
 
+    ::Device* i2cController;
     lv_indev_t* deviceHandle = nullptr;
 
 public:
 
+    explicit TdeckKeyboard(::Device* i2cController) : i2cController(i2cController) {}
+
     std::string getName() const override { return "T-Deck Keyboard"; }
     std::string getDescription() const override { return "I2C keyboard"; }
 
+    ::Device* getI2cController() const { return i2cController; }
+
     bool startLvgl(lv_display_t* display) override;
     bool stopLvgl() override;
     bool isAttached() const override;