Add pl-api to workspace

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

packages/pl-api/lib/entities/extended-description.ts

@@ -0,0 +1,13 @@
+import { z } from 'zod';
+
+import { dateSchema } from './utils';
+
+/** @see {@link https://docs.joinmastodon.org/entities/ExtendedDescription} */
+const extendedDescriptionSchema = z.object({
+  updated_at: dateSchema,
+  content: z.string(),
+});
+
+type ExtendedDescription = z.infer<typeof extendedDescriptionSchema>;
+
+export { extendedDescriptionSchema, type ExtendedDescription };