Change `token_endpoint_auth_methods_supported` to be an array.#53

Potherca merged 1 commit intomainpdsinterop/php-solid-auth:mainfrom

fix/issue-51-supported-list-type-should-be-arraypdsinterop/php-solid-auth:fix/issue-51-supported-list-type-should-be-arrayCopy head branch name to clipboard