message: Updated Configuration definition docs
  Added sample for what `package.json` should look like when defining a `configSchema`
diff: @@ -23,6 +23,17 @@ Each package is searched for a schema at a single point of entry, a top-level
  inlined JSON schema, or a relative path to a schema file. Supported schema file
  formats are `.json` or `.d.ts`.
  +```jsonc title="package.json"
  +{
  + // ...
  + "files": [
  + // ...
  + "config.d.ts"
  + ],
  + "configSchema": "config.d.ts"
  +}
  +```
  +
  > When defining a schema file, be sure to include the file in your
  > `package.json` > `"files"` field as well!
  