Update readme

README.md

@@ -35,12 +35,44 @@ jobs:
       uses: swissspidy/wp-plugin-check-action@main
 ```
 
+### Inputs
+
 The following inputs are supported:
 
 * `build-dir` (string): path to the build directory if there is a build process involved.
   **Note:** file annotations will still be made against the source files.
-* `checks` (string): only run specific checks, separated by comma.
-* `categories` (string): only run checks from specific categories, separated by comma.
+* `checks` (string): only run specific checks, separated by comma or newline.
+* `categories` (string): only run checks from specific categories, separated by comma or newline.
 * `ignore-warnings` (bool): ignore warnings.
 * `ignore-errors` (bool): ignore errors.
 * `include-experimental` (bool): include experimental checks.
+
+#### Supported Checks
+
+At the moment, the following checks exist:
+
+* `i18n_usage`
+* `enqueued_scripts_size`
+* `code_obfuscation`
+* `file_type`
+* `plugin_header_text_domain`
+* `late_escaping`
+* `plugin_updater`
+* `plugin_review_phpcs`
+* `performant_wp_query_params`
+* `enqueued_scripts_in_footer`
+* `plugin_readme`
+* `enqueued_styles_scope`
+* `localhost`
+* `no_unfiltered_uploads`
+* `trademarks`
+
+#### Supported Categories
+
+At the moment, the following categories exist:
+
+* `general`
+* `plugin_repo`
+* `security`
+* `performance`
+* `accessibility`