dispute: convert js to ts

Create a dispute.ts model from the dispute.js model.

models/dispute.ts

@@ -0,0 +1,34 @@
+import mongoose, { Document, Schema } from 'mongoose';
+
+export interface IDispute extends Document {
+  initiator: string;
+  seller_id: string;
+  buyer_id: string;
+  status: string;
+  community_id: string;
+  order_id: string;
+  solver_id: string;
+  created_at: Date;
+}
+
+const DisputeSchema = new Schema<IDispute>({
+  initiator: { type: String, required: true },
+  seller_id: { type: String },
+  buyer_id: { type: String },
+  status: {
+    type: String,
+    enum: [
+      'WAITING_FOR_SOLVER',
+      'IN_PROGRESS', // taken by a solver
+      'SETTLED', // settled seller's invoice by admin/solver and started to pay sats to buyer
+      'SELLER_REFUNDED', // canceled by admin/solver and refunded to seller
+      'RELEASED', // release by the seller
+    ],
+  },
+  community_id: { type: String, default: null },
+  order_id: { type: String, default: null },
+  solver_id: { type: String, default: null },
+  created_at: { type: Date, default: Date.now },
+});
+
+module.exports = mongoose.model<IDispute>('Dispute', DisputeSchema);