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/zzad.java

@@ -0,0 +1,26 @@
+package com.google.android.gms.internal.common;
+
+import java.util.Iterator;
+
+/* loaded from: classes3.dex */
+public final class zzad extends zzaa {
+    public zzad() {
+        super(4);
+    }
+
+    public final zzad zzb(Object obj) {
+        super.zza(obj);
+        return this;
+    }
+
+    public final zzad zzc(Iterator it) {
+        while (it.hasNext()) {
+            super.zza(it.next());
+        }
+        return this;
+    }
+
+    public zzad(int i) {
+        super(4);
+    }
+}