v7.7: Device Status screen with WiFi, storage, GPS, plugins

- Add DeviceStatusScreen with full device info display
- Add WiFi client configuration
- Add storage status with usage bar
- Add GPS/GNSS status display
- Add upload mode toggle (auto/wifi/lte/off)
- Add plugin list display
- New API endpoints in BeeApiClient for device settings
- Navigate to Device Status from Settings screen

app/build.gradle.kts

@@ -13,8 +13,8 @@ android {
         applicationId = "com.adamaps.varroa"
         minSdk = 26
         targetSdk = 34
-        versionCode = 12
-        versionName = "1.7.6"
+        versionCode = 13
+        versionName = "1.7.7"
 
         vectorDrawables {
             useSupportLibrary = true