feat(README): add link to main schemata

Phoneposting commits #theFuture

README.md

@@ -16,7 +16,8 @@ Getting help:
 
 Creating and Contributing:
 
-- The easiest way to make your own, is to copy one of the existing 'brews as a template and use the main [5etools data](https://github.com/TheGiddyLimit/TheGiddyLimit.github.io/tree/master/data) as a reference.
+- The easiest way to make your own is to copy one of the existing 'brews as a template and use the main [5etools data](https://github.com/TheGiddyLimit/TheGiddyLimit.github.io/tree/master/data) as a reference.
+- The schemata for the main site data can be found [here](https://github.com/TheGiddyLimit/TheGiddyLimit.github.io/tree/master/test/schema)
 - Contributions are welcome. For the Git-literate, make a pull request. For everyone else, create an Issue and post a link to your file (PasteBin is fine), and I (or other maintainers, in future) can add it for you.
 
 A schema is available (`json.schema`) describing the layout of the and usage of the `_meta` property found in the various data files.