Merge pull request #5796 from uinstinct/dev-data-reference

docs: specify the schema versions in dev data reference

Author: RomneyDa

docs/docs/reference.md

@@ -406,7 +406,7 @@ Destinations to which [development data](./customize/deep-dives/development-data
 - `destination` (**required**): The destination/endpoint that will receive the data. Can be:
   - an HTTP endpoint that will receive a POST request with a JSON blob
   - a file URL to a directory in which events will be dumpted to `.jsonl` files
-- `schema` (**required**): the schema version of the JSON blobs to be sent
+- `schema` (**required**): the schema version of the JSON blobs to be sent. Options include `0.1.0` and `0.2.0`
 - `events`: an array of event names to include. Defaults to all events if not specified.
 - `level`: a pre-defined filter for event fields. Options include `all` and `noCode`; the latter excludes data like file
   contents, prompts, and completions. Defaults to `all`