Add ThermoPro BLE support and dashboard display

- Implement ThermoproBLE class for handling BLE communication with ThermoPro BBQ thermometer.
- Create ThermoproReading structure to hold thermometer data.
- Develop Dashboard class for displaying thermometer readings and WiFi status on a TFT display.
- Configure display settings and touch input handling.
- Introduce SettingsManager for managing user settings stored in NVS.
- Implement WiFiManager for handling WiFi connections and captive portal setup.
- Add HTML interface for user to input WiFi credentials and ThermoPro MAC address.
- Ensure proper state management for WiFi and BLE connections in the main application loop.

cyd-bridge/platformio.ini

@@ -0,0 +1,27 @@
+; PlatformIO project for CYD ThermoPro bridge
+; Target: ESP32-2432S028R (ESP32 + ILI9341 320x240 TFT + XPT2046 touch)
+
+[env:esp32dev]
+platform = espressif32 @ ^6.9.0
+board = esp32dev
+framework = arduino
+monitor_speed = 115200
+monitor_filters = esp32_exception_decoder
+
+; The CYD needs a decent amount of RAM/flash for BLE + HTTP + display + JSON.
+; default.csv gives ~1.3MB app / 1.3MB spiffs which is plenty for the MVP.
+board_build.partitions = default.csv
+
+; Required libraries
+lib_deps =
+    ; Lightweight BLE stack (much smaller than Bluedroid)
+    h2zero/NimBLE-Arduino @ ^1.4.3
+    ; JSON serialization
+    bblanchon/ArduinoJson @ ^7.3.0
+    ; Graphics library with broad CYD support and fast SPI
+    lovyan03/LovyanGFX @ ^1.2.0
+
+; Build flags to set the program name and version
+build_flags =
+    -D CYD_THERMOPRO_BRIDGE=1
+    -D CORE_DEBUG_LEVEL=3