feat: Update mirror list, and fallback to default on invalid selection

Author: Ushie

app/src/main/java/app/revenge/manager/domain/manager/PreferenceManager.kt

@@ -55,10 +55,10 @@ class PreferenceManager(context: Context) :
     var allowDowngrade by booleanPreference("allow_downgrade", false)
 
     init {
-        // Will be removed next update
-        if(mirror == Mirror.VENDETTA_ROCKS) mirror = Mirror.VENDETTA_ROCKS_ALT
+        if (mirror !in Mirror.entries) {
+            mirror = Mirror.DEFAULT
+        }
     }
-
 }
 
 enum class Theme(@StringRes val labelRes: Int) {
@@ -80,10 +80,8 @@ enum class UpdateCheckerDuration(@StringRes val labelRes: Int, val time: Long, v
 
 enum class Mirror(val baseUrl: String) {
     DEFAULT("https://tracker.vendetta.rocks"),
-    VENDETTA_ROCKS("https://proxy.vendetta.rocks"), // Temporarily added for compatibility
-    VENDETTA_ROCKS_ALT("https://proxy.vendetta.rocks"),
-    K6("https://vd.k6.tf"),
-    NEXPID("https://tracker.vd.nexpid.xyz")
+    NEXPID("https://tracker.vd.nexpid.xyz"),
+    USHIE("https://proxy.vd.ushie.dev")
 }
 
 enum class InstallMethod(@StringRes val labelRes: Int) {

app/src/main/java/app/revenge/manager/ui/screen/settings/AdvancedSettings.kt

@@ -71,7 +71,6 @@ class AdvancedSettings: Screen {
                 SettingsItemChoice(
                     label = stringResource(R.string.settings_mirror),
                     pref = prefs.mirror,
-                    excludedOptions = listOf(Mirror.VENDETTA_ROCKS),
                     labelFactory = {
                         it.baseUrl.toUri().authority ?: it.baseUrl
                     },