Adds cocoapods for libraries.

Adds OCMockito and OCHamcrest libs.

iOS/Pods/OCHamcrest/Source/Library/Object/HCIsNil.m

@@ -0,0 +1,32 @@
+//  OCHamcrest by Jon Reid, https://qualitycoding.org/
+//  Copyright 2019 hamcrest.org. See LICENSE.txt
+
+#import "HCIsNil.h"
+
+#import "HCIsNot.h"
+
+
+@implementation HCIsNil
+
+- (BOOL)matches:(nullable id)item
+{
+    return item == nil;
+}
+
+- (void)describeTo:(id <HCDescription>)description
+{
+    [description appendText:@"nil"];
+}
+
+@end
+
+
+id HC_nilValue()
+{
+    return [[HCIsNil alloc] init];
+}
+
+id HC_notNilValue()
+{
+    return HC_isNot([[HCIsNil alloc] init]);
+}