added files via upload

Tweaks/FLEX/Utility/Categories/UIGestureRecognizer+Blocks.m

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+//
+//  UIGestureRecognizer+Blocks.m
+//  FLEX
+//
+//  Created by Tanner Bennett on 12/20/19.
+//  Copyright © 2020 FLEX Team. All rights reserved.
+//
+
+#import "UIGestureRecognizer+Blocks.h"
+#import <objc/runtime.h>
+
+
+@implementation UIGestureRecognizer (Blocks)
+
+static void * actionKey;
+
++ (instancetype)flex_action:(GestureBlock)action {
+    UIGestureRecognizer *gesture = [[self alloc] initWithTarget:nil action:nil];
+    [gesture addTarget:gesture action:@selector(flex_invoke)];
+    gesture.flex_action = action;
+    return gesture;
+}
+
+- (void)flex_invoke {
+    self.flex_action(self);
+}
+
+- (GestureBlock)flex_action {
+    return objc_getAssociatedObject(self, &actionKey);
+}
+
+- (void)flex_setAction:(GestureBlock)action {
+    objc_setAssociatedObject(self, &actionKey, action, OBJC_ASSOCIATION_COPY);
+}
+
+@end