[Docs] Document customName option in readme

Author: Boris Cherny

README.md

@@ -86,6 +86,7 @@ See [server demo](example) and [browser demo](https://github.com/bcherny/json-sc
 |-|-|-|-|
 | additionalProperties | boolean | `true` | Default value for `additionalProperties`, when it is not explicitly set |
 | bannerComment | string | `"/* eslint-disable */\n/**\n* This file was automatically generated by json-schema-to-typescript.\n* DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,\n* and run json-schema-to-typescript to regenerate this file.\n*/"` | Disclaimer comment prepended to the top of each generated file |
+| customName | `(LinkedJSONSchema, string | undefined) => string | undefined` | `undefined` | Custom function to provide a type name for a given schema
 | cwd | string | `process.cwd()` | Root directory for resolving [`$ref`](https://tools.ietf.org/id/draft-pbryan-zyp-json-ref-03.html)s |
 | declareExternallyReferenced | boolean | `true` | Declare external schemas referenced via `$ref`? |
 | enableConstEnums | boolean | `true` | Prepend enums with [`const`](https://www.typescriptlang.org/docs/handbook/enums.html#computed-and-constant-members)? |

src/index.ts

@@ -32,6 +32,10 @@ export interface Options {
    * Disclaimer comment prepended to the top of each generated file.
    */
   bannerComment: string
+  /**
+   * Custom function to provide a type name for a given schema
+   */
+  customName?: (schema: LinkedJSONSchema, keyNameFromDefinition: string | undefined) => string | undefined
   /**
    * Root directory for resolving [`$ref`](https://tools.ietf.org/id/draft-pbryan-zyp-json-ref-03.html)s.
    */
@@ -77,10 +81,6 @@ export interface Options {
    * Generate unknown type instead of any
    */
   unknownAny: boolean
-  /**
-   * Custom function to provide a type name for a given schema
-   */
-  customName?: (schema: LinkedJSONSchema, keyNameFromDefinition: string | undefined) => string | undefined
 }
 
 export const DEFAULT_OPTIONS: Options = {