* Ensure non-standard types have an appropriate alias
This helps with filter out the types. Eg, I'm concerned with just the core JS types, and in I can derive them via:
```typescript
type Core = Exclude<t.Node, t.TypeScript | t.Flow>;
```
* Lint
* Export deprecated alias types
* Add docs descriptions for new aliases
* Add Standardized alias
* Fix inherits aliases
* Filter aliases from node types
* Remove Proposal alias
* feat(traverse): specific return type for virtual types' validators
update generator script to use virtualType.types[0] as it's type
fix#13576
* fix: remove unused ts-expect-error
so glad that it works
* feat: use VirtualTypeAliases to generate validators for virtual types
* fix: return boolean when it doesn't have any alias
* fix: use type only import and simplify condition
