Add Discord community version (64-bit only)

- Added realracing3-community.apk (71.57 MB)
- Removed 32-bit support (armeabi-v7a)
- Only includes arm64-v8a libraries
- Decompiled source code included
- Added README-community.md with analysis

decompiled-community/sources/com/google/android/gms/internal/common/zzah.java

@@ -0,0 +1,16 @@
+package com.google.android.gms.internal.common;
+
+import org.jspecify.nullness.NullMarked;
+
+@NullMarked
+/* loaded from: classes3.dex */
+public final class zzah {
+    public static Object[] zza(Object[] objArr, int i) {
+        for (int i2 = 0; i2 < i; i2++) {
+            if (objArr[i2] == null) {
+                throw new NullPointerException("at index " + i2);
+            }
+        }
+        return objArr;
+    }
+}