Adds cocoapods for libraries.

Adds OCMockito and OCHamcrest libs.

Pods/OCHamcrest/Source/Library/Text/HCSubstringMatcher.h

@@ -0,0 +1,18 @@
+//  OCHamcrest by Jon Reid, https://qualitycoding.org/
+//  Copyright 2019 hamcrest.org. See LICENSE.txt
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface HCSubstringMatcher : HCBaseMatcher
+
+@property (nonatomic, copy, readonly) NSString *substring;
+
+- (instancetype)initWithSubstring:(NSString *)substring NS_DESIGNATED_INITIALIZER;
+- (instancetype)init NS_UNAVAILABLE;
+
+@end
+
+NS_ASSUME_NONNULL_END