chore: Move to Typescript (#2783)

This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.

closes #1282

app/models/Integration.ts

@@ -0,0 +1,41 @@
+import { extendObservable, action } from "mobx";
+import BaseModel from "~/models/BaseModel";
+import { client } from "~/utils/ApiClient";
+
+type Settings = {
+  url: string;
+  channel: string;
+  channelId: string;
+};
+type Events = "documents.create" | "collections.create";
+
+class Integration extends BaseModel {
+  id: string;
+
+  type: string;
+
+  service: string;
+
+  collectionId: string;
+
+  events: Events;
+
+  settings: Settings;
+
+  @action
+  update = async (data: Record<string, any>) => {
+    await client.post("/integrations.update", {
+      id: this.id,
+      ...data,
+    });
+    extendObservable(this, data);
+    return true;
+  };
+
+  @action
+  delete = () => {
+    return this.store.delete(this);
+  };
+}
+
+export default Integration;