Exclude backup

ios/RCTPushy/RCTPushyManager.m

@@ -24,6 +24,21 @@
     return self;
 }
 
+
+- (BOOL)addSkipBackupAttributeToItemAtPath:(NSString *) filePathString
+{
+    NSURL* URL= [NSURL fileURLWithPath: filePathString];
+    assert([[NSFileManager defaultManager] fileExistsAtPath: [URL path]]);
+ 
+    NSError *error = nil;
+    BOOL success = [URL setResourceValue: [NSNumber numberWithBool: YES]
+                                  forKey: NSURLIsExcludedFromBackupKey error: &error];
+    if(!success){
+        NSLog(@"Error excluding %@ from backup %@", [URL lastPathComponent], error);
+    }
+    return success;
+}
+
 - (BOOL)createDir:(NSString *)dir
 {
     __block BOOL success = false;
@@ -48,7 +63,7 @@
             return;
         }
     });
-    
+    [self addSkipBackupAttributeToItemAtPath:dir];
     return success;
 }