Spec leaves ambiguity between maps and vectors

Your https://github.com/csharpfritz/Taml/blob/main/TAML-SPEC.md spec doesn't distinguish items of a list where each item is a complex object. It would produce:

```
Members
FirstName John
LastName Doe
FirstName Jane
LastName Doe
```

I believe elsewhere I've seen you propose this:

```
Members
FirstName John
LastName Doe

FirstName Jane
LastName Doe
```

But that isn't in your spec.