added files via upload

Tweaks/FLEX/Core/FLEXSingleRowSection.h

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+//
+//  FLEXSingleRowSection.h
+//  FLEX
+//
+//  Created by Tanner Bennett on 9/25/19.
+//  Copyright © 2020 FLEX Team. All rights reserved.
+//
+
+#import "FLEXTableViewSection.h"
+
+/// A section providing a specific single row.
+///
+/// You may optionally provide a view controller to push when the row
+/// is selected, or an action to perform when it is selected.
+/// Which one is used first is up to the table view data source.
+@interface FLEXSingleRowSection : FLEXTableViewSection
+
+/// @param reuseIdentifier if nil, kFLEXDefaultCell is used.
++ (instancetype)title:(NSString *)sectionTitle
+                reuse:(NSString *)reuseIdentifier
+                 cell:(void(^)(__kindof UITableViewCell *cell))cellConfiguration;
+
+@property (nonatomic) UIViewController *pushOnSelection;
+@property (nonatomic) void (^selectionAction)(UIViewController *host);
+/// Called to determine whether the single row should display itself or not.
+@property (nonatomic) BOOL (^filterMatcher)(NSString *filterText);
+
+@end