add note about social login to readme

README.md

@@ -11,6 +11,12 @@ This project utilizes a [Tailwind CSS](https://tailwindcss.com/docs/theme) theme
 ### Affiliate address
 Change the `NEXT_PUBLIC_AFFILIATE_ADDRESS` variable in [.env](/.env) file with your address and other related to project information.
 
+### Social login
+Register at https://dashboard.privy.io/account:
+- Create a project, go to "Embedded wallets" page, "Smart Wallets" tab, enable it, choose "Safe" (we support only this), configure paymasters for your app chains (https://dashboard.pimlico.io/apikeys).
+- Go to "Settings" and copy `App ID`.
+- Put value to `NEXT_PUBLIC_PRIVY_APP_ID` variable in [.env](/.env)
+
 ### Logo
 To add your project logo change [Logo](/src/components/ui/Logo/Logo.tsx) component.