feat: set theme option automatically

Author: JulianWowra

README.md

@@ -27,9 +27,13 @@ yarn add typedoc-github-theme
 **Use the theme when generating your documentation:**
 
 ```text
-typedoc src/** */ --plugin typedoc-github-theme --theme typedoc-github-theme
+npx typedoc src --plugin typedoc-github-theme
 ```
 
+> [!NOTE]
+> This plugin fills the following options if they have not been defined by the user:
+> [`theme`](https://typedoc.org/options/output/#theme), [`lightHighlightTheme`](https://typedoc.org/options/output/#lighthighlighttheme), [`darkHighlightTheme`](https://typedoc.org/options/output/#darkhighlighttheme)
+
 ---
 
 ## Author

src/index.tsx

@@ -6,4 +6,14 @@ import { GitHubTheme } from './GitHubTheme';
  */
 export function load(app: Application) {
 	app.renderer.defineTheme('typedoc-github-theme', GitHubTheme);
+
+	app.on('bootstrapEnd', () => {
+		if (app.options.isSet('theme') && app.options.getValue('theme') !== 'typedoc-github-theme') {
+			return app.logger.warn(
+				`The theme'typedoc-github-theme' is not used because another theme (${app.options.getValue('theme')}) was specified!`
+			);
+		}
+
+		app.options.setValue('theme', 'typedoc-github-theme');
+	});
 }