* feat(context): ShouldBind counterparts for Bind methods + tests
* docs(readme): Switch examples to use ShouldBind methods
Add section for bind methods types, explain difference in behavior.
Switch all `c.Bind` examples to use `c.ShouldBind`.
* feat(binding): Add support for custom validation tags
* docs: Add example for custom validation tag
* test(binding): Add test for registering custom validation
Suhas Karanth