Adds initial progress

source/Models/GroupModel.ts

@@ -0,0 +1,8 @@
+import {Model} from "./Model";
+import {GuildMember, Role} from "../types/DiscordTypes";
+
+export interface GroupModel extends Model {
+    name: string;
+    leader: GuildMember;
+    role: Role;
+}

source/Models/Model.ts

@@ -0,0 +1,3 @@
+export interface Model {
+    id: number;
+}

source/Models/PlaydateModel.ts

@@ -0,0 +1,9 @@
+import {Model} from "./Model";
+import {GroupModel} from "./GroupModel";
+import {Nullable} from "../types/Nullable";
+
+export interface PlaydateModel extends Model {
+    group: Nullable<GroupModel>
+    from_time: Date,
+    to_time: Date,
+}