Fix duplicate symbols error in xcode

ios/BlurAmount.h

@@ -0,0 +1,7 @@
+#import <UIKit/UIKit.h>
+
+@interface BlurAmount : UIBlurEffect
++ (id)updateBlurAmount:(NSNumber*)blurAmount;
+
+@property (nonatomic, copy) NSNumber *blurAmount;
+@end

ios/BlurAmount.m

@@ -1,13 +1,10 @@
-#import <UIKit/UIKit.h>
+#import "BlurAmount.h"
 #import <objc/runtime.h>
 
 @interface UIBlurEffect (Protected)
 @property (nonatomic, readonly) id effectSettings;
 @end
 
-@interface BlurAmount : UIBlurEffect
-@property (nonatomic, copy) NSNumber *blurAmount;
-@end
 
 @implementation BlurAmount
 

ios/BlurView.m

@@ -1,5 +1,5 @@
 #import "BlurView.h"
-#import "BlurAmount.m"
+#import "BlurAmount.h"
 
 
 @implementation BlurView {
@@ -12,7 +12,7 @@
   if (_visualEffectView) {
     [_visualEffectView removeFromSuperview];
   }
-  
+
   self.clipsToBounds = true;
   if ([blurType isEqual: @"xlight"]) {
     blurEffect = [BlurAmount effectWithStyle:UIBlurEffectStyleExtraLight];