New rule: Wrap expressions in a line

[mohsen1]

Not sure how to name or describe this rule.

Bad

<div>{
  expression
}</div>

Good

<div>
  {expression}
</div>

[adidahiya]

maybe this could be a new option in jsx-curly-spacing? or a new rule called jsx-one-line

[adidahiya]

Closing due to old age and the deprecation timeline in #210