feat(content): add announcements and public news flows

packages/db/src/posts.ts

@@ -67,6 +67,12 @@ export async function getPostById(id: string) {
   return postCrudService.getById(id)
 }
 
+export async function getPostBySlug(slug: string) {
+  return db.post.findUnique({
+    where: { slug },
+  })
+}
+
 export async function createPost(input: unknown, context?: CrudMutationContext) {
   return postCrudService.create(input, context)
 }