Add registration store

src/store/registrationStore.js

@@ -0,0 +1,22 @@
+import { reaction, makeAutoObservable } from "mobx";
+
+class RegistrationStore {
+  _accountData = {};
+
+  constructor() {
+    makeAutoObservable(this);
+    reaction(() => this.accountData, () => this.saveDataRegistration())
+  };
+
+  saveDataRegistration(data) {
+    this._accountData = data;
+  };
+
+  accountData() {
+    return this._accountData
+  };
+
+};
+
+
+export const registrationStore = new RegistrationStore();