fix: dynamic LSPatch output resolution, local GoonXposed support, and namespace fix

[everestmcarthur]

Summary of Changes

1. LSPatch Patched APK Detection (InjectShiggyXposedStep.kt):

   • Replaced static filename matching (%s-%d-lspatched.apk with Locale.US) with dynamic file lookup across tempDir to accommodate locale and naming variations.
   • Throws an explicit IllegalStateException if the patched APK is not produced, preventing unpatched Discord APKs from being silently installed when patching fails.

2. Local GoonXposed Support (DownloadShiggyXposedStep.kt):

   • Added check for /sdcard/Shiggy/GoonXposed.apk (or wt-xposed.apk) so users can sideload or test newer module builds directly without having to wait for remote GitHub releases.

3. Build Configuration (build.gradle.kts):

   • Corrected project namespace to dev.goon.manager to match all existing package imports across the codebase (dev.goon.manager.R, dev.goon.manager.BuildConfig), resolving build compilation failures.