Rename icons, fix T-Lora Pager config and more (#502)

* **New Features**
  * Added NFC chip-select to SD card hardware configuration.

* **Refactor**
  * Consolidated and renamed icon resources; apps and status-bar now reference unified icon headers and new icon constants.
  * Renamed LVGL lock API (timed → lvgl_try_lock) and updated callers.

* **Documentation**
  * Updated module README and license files; added Apache-2.0 license document.

Tactility/Source/app/systeminfo/SystemInfo.cpp

@@ -11,7 +11,7 @@
 #include <lvgl.h>
 #include <tactility/lvgl_fonts.h>
 #include <tactility/hal/Device.h>
-#include <tactility/lvgl_symbols_shared.h>
+#include <tactility/lvgl_icon_shared.h>
 #include <utility>
 #include <cstring>
 
@@ -700,7 +700,7 @@ class SystemInfoApp final : public App {
 extern const AppManifest manifest = {
     .appId = "SystemInfo",
     .appName = "System Info",
-    .appIcon = LVGL_SYMBOL_AREA_CHART,
+    .appIcon = LVGL_ICON_SHARED_AREA_CHART,
     .appCategory = Category::System,
     .createApp = create<SystemInfoApp>
 };