feat(presentation): followers/following list endpoints for remote actors

crates/api-types/src/responses.rs

@@ -110,3 +110,20 @@ pub struct RemoteActorResponse {
     pub following_url: Option<String>,
     pub attachment: Vec<ProfileField>,
 }
+
+#[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
+pub struct ActorConnectionResponse {
+    pub handle: String,
+    pub display_name: Option<String>,
+    pub avatar_url: Option<String>,
+    pub url: String,
+}
+
+#[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
+pub struct ActorConnectionPageResponse {
+    pub items: Vec<ActorConnectionResponse>,
+    pub page: u32,
+    pub has_more: bool,
+}