Add backend and DB settings

server/routers/dogsitters-finder/model/auth.js

@@ -0,0 +1,44 @@
+const { Schema, model } = require("mongoose");
+
+const {
+  DSF_AUTH_PASSWD_MODEL_NAME,
+  DSF_AUTH_USER_MODEL_NAME,
+} = require("../../const");
+
+const schema = new Schema({
+  login: { 
+    type: String, 
+    required: true, 
+    unique: true
+  },
+  hash: { 
+    type: String, 
+    required: true 
+  },
+  salt: { 
+    type: String, 
+    required: true 
+  },
+  userId: { 
+    type: Schema.Types.ObjectId, 
+    ref: DSF_AUTH_USER_MODEL_NAME 
+  },
+  created: {
+    type: Date,
+    default: () => new Date().toISOString(),
+  },
+});
+
+schema.set("toJSON", {
+  virtuals: true,
+  versionKey: false,
+  transform: function (doc, ret) {
+    delete ret._id;
+  },
+});
+
+schema.virtual("id").get(function () {
+  return this._id.toHexString();
+});
+
+exports.AuthModel = model(DSF_AUTH_PASSWD_MODEL_NAME, schema);