Add Privy authentication template (Next.js + Tailwind)

[dovidmoishe]

Overview

This PR adds a new community template demonstrating authentication in a Solana dApp using Privy.

The template includes:

• Social login (Google, Discord, Twitter)
• Embedded wallet creation
• User profile display with wallet information
• Protected route example
• Authentication status indicators
• Wallet Balance
• Logout functionality

Tech Stack

• Next.js (App Router)
• TypeScript
• Tailwind CSS
• Privy React SDK
• Solana Web3.js

Template Location

community/privy-auth/

Features

• PrivyProvider initialization
• Embedded wallet creation on login
• Protected /dashboard route
• Wallet connection state management
• Example UI for login/logout and user profile

Setup

After scaffolding:

pnpm create solana-dapp --template privy-auth

Developers must add their Privy App ID:

NEXT_PUBLIC_PRIVY_APP_ID=your_app_id

Full setup instructions are provided in the README.

Notes

This template demonstrates a minimal production-ready integration of Privy authentication within a Solana dApp.

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