Adds cocoapods for libraries.

Adds OCMockito and OCHamcrest libs.

Pods/OCHamcrest/Source/Core/HCSelfDescribing.h

@@ -0,0 +1,26 @@
+//  OCHamcrest by Jon Reid, https://qualitycoding.org/
+//  Copyright 2019 hamcrest.org. See LICENSE.txt
+
+#import <Foundation/Foundation.h>
+
+#import <OCHamcrest/HCDescription.h>  // Convenience header
+
+
+NS_ASSUME_NONNULL_BEGIN
+
+/*!
+ * @abstract The ability of an object to describe itself.
+ */
+@protocol HCSelfDescribing <NSObject>
+
+/*!
+ * @abstract Generates a description of the object.
+ * @param description The description to be built or appended to.
+ * @discussion The description may be part of a description of a larger object of which this is just
+ * a component, so it should be worded appropriately.
+ */
+- (void)describeTo:(id <HCDescription>)description;
+
+@end
+
+NS_ASSUME_NONNULL_END