feat(domain): RemoteActor fields, RemoteNote, FetchRemoteActorPosts event, fetch_outbox_page port

crates/domain/src/models/remote_note.rs

@@ -0,0 +1,10 @@
+use chrono::{DateTime, Utc};
+
+#[derive(Debug, Clone)]
+pub struct RemoteNote {
+    pub ap_id: String,
+    pub content: String,
+    pub published: DateTime<Utc>,
+    pub sensitive: bool,
+    pub content_warning: Option<String>,
+}