added a lot of canvas data types

nextjs/src/models/canvas/discussions/canvasDiscussionModelTopic.ts

@@ -0,0 +1,40 @@
+import { UserDisplayModel } from "../users/userDisplayModel";
+import { FileAttachmentModel } from "./canvasFileAttachmentModel";
+
+export interface DiscussionTopicModel {
+  id: number;
+  title: string;
+  message: string;
+  html_url: string;
+  read_state: string;
+  subscription_hold: string;
+  assignment_id: number;
+  lock_explanation: string;
+  user_name: string;
+  topic_children: number[];
+  podcast_url: string;
+  discussion_type: string;
+  attachments: FileAttachmentModel[];
+  permissions: { [key: string]: boolean };
+  author: UserDisplayModel;
+  unread_count?: number;
+  subscribed?: boolean;
+  posted_at?: string; // ISO 8601 date string
+  last_reply_at?: string; // ISO 8601 date string
+  require_initial_post?: boolean;
+  user_can_see_posts?: boolean;
+  discussion_subentry_count?: number;
+  delayed_post_at?: string; // ISO 8601 date string
+  published?: boolean;
+  lock_at?: string; // ISO 8601 date string
+  locked?: boolean;
+  pinned?: boolean;
+  locked_for_user?: boolean;
+  lock_info?: any;
+  group_topic_children?: any;
+  root_topic_id?: number;
+  group_category_id?: number;
+  allow_rating?: boolean;
+  only_graders_can_rate?: boolean;
+  sort_by_rating?: boolean;
+}