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/facebook/ads/VideoStartReason.java

@@ -0,0 +1,13 @@
+package com.facebook.ads;
+
+import androidx.annotation.Keep;
+import com.facebook.infer.annotation.Nullsafe;
+
+@Keep
+@Nullsafe(Nullsafe.Mode.LOCAL)
+/* loaded from: classes2.dex */
+public enum VideoStartReason {
+    NOT_STARTED,
+    USER_STARTED,
+    AUTO_STARTED
+}