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/mbridge/msdk/mbnative/a/c.java

@@ -0,0 +1,20 @@
+package com.mbridge.msdk.mbnative.a;
+
+import com.mbridge.msdk.out.Campaign;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/* loaded from: classes4.dex */
+public final class c {
+    public static Map<Integer, b<String, List<Campaign>>> a = new HashMap();
+
+    public static b<String, List<Campaign>> a(int i) {
+        if (a.containsKey(Integer.valueOf(i))) {
+            return a.get(Integer.valueOf(i));
+        }
+        a aVar = new a(i);
+        a.put(Integer.valueOf(i), aVar);
+        return aVar;
+    }
+}