Add Discord APKTool decompilation (Smali source for modding)

- Imported from https://github.com/supermegamestre/Project-Real-Resurrection-3
- APKTool decompilation (Smali bytecode) for modding and rebuilding APK
- Supports both 32-bit (armeabi-v7a) and 64-bit (arm64-v8a) architectures
- Includes full Smali source, resources, and native libraries
- Ready to rebuild APK after modifications with apktool b command
- Added comprehensive README-apktool.md with modding guide

This branch complements the JADX branches:
- Use JADX (main/discord-community) to UNDERSTAND code (readable Java)
- Use APKTool (this branch) to MODIFY and REBUILD APK (editable Smali)

Total: 44,417 files, 538.51 MB Smali source code

res/drawable-anydpi/applovin_ic_warning_outline.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector android:height="48.0dip" android:width="48.0dip" android:viewportWidth="48.0" android:viewportHeight="48.0"
+  xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#ff000000" android:pathData="M24.05,24.45ZM4.6,42Q3.75,42 3.3,41.25Q2.85,40.5 3.3,39.75L22.7,6.25Q23.15,5.5 24,5.5Q24.85,5.5 25.3,6.25L44.7,39.75Q45.15,40.5 44.7,41.25Q44.25,42 43.4,42ZM24.2,19.4Q23.55,19.4 23.125,19.825Q22.7,20.25 22.7,20.9V29.1Q22.7,29.75 23.125,30.175Q23.55,30.6 24.2,30.6Q24.85,30.6 25.275,30.175Q25.7,29.75 25.7,29.1V20.9Q25.7,20.25 25.275,19.825Q24.85,19.4 24.2,19.4ZM24.2,36.15Q24.85,36.15 25.275,35.725Q25.7,35.3 25.7,34.65Q25.7,34 25.275,33.575Q24.85,33.15 24.2,33.15Q23.55,33.15 23.125,33.575Q22.7,34 22.7,34.65Q22.7,35.3 23.125,35.725Q23.55,36.15 24.2,36.15ZM7.2,39H40.8L24,10Z" />
+</vector>