pl-api: improve docs

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

packages/pl-api/typedoc.config.mjs

@@ -0,0 +1,9 @@
+/** @type {Partial<import('typedoc').TypeDocOptions>} */
+
+const config = {
+  entryPoints: ['./lib/main.ts'],
+  plugin: ['typedoc-material-theme', 'typedoc-plugin-valibot'],
+  themeColor: '#d80482',
+};
+
+export default config;