* docs(examples): Add `examples/README.md` Adds `examples/README.md` with GIFs of examples * docs(examples): Individual READMEs * docs(examples): add short description to each example
* chore: use go 1.16 and gofmt accordingly * chore: also update examples and tuts to go 1.16
* feat(cc): Add Credit Card Input Form Example and `ValidatorFuncs` to ensure credit cards are valid