Created the Group.ts model

src/models/Group.ts

@@ -0,0 +1,26 @@
+import {model, ObjectId, Schema, Types} from "mongoose";
+
+export interface IGroup {
+    projectId: ObjectId,
+    name: string,
+    description?: string,
+    permissions: string[]
+}
+
+const GroupSchema = new Schema<IGroup>({
+    projectId: {
+        type: Types.ObjectId,
+        required: true
+    },
+    name: {
+        type: String,
+        required: true
+    },
+    description: {
+        type: String,
+        default: "Keine Beschreibung angegeben"
+    },
+    permissions: [String]
+});
+
+export const Group = model<IGroup>('groups', GroupSchema);