Added Guide for Telegram Games with Unity WebGL (#464)

* started guide for unity webgl telegram

* finished unity webgl telegram guide

* small tweaks to guide

---------

Co-authored-by: Tomasz Dysinski <dysinski.tomasz@gmail.com>

Author: andygruening

docs/pages/guides/unity-webgl-telegram.mdx

@@ -0,0 +1,110 @@
+---
+title: Build a Telegram Mini-Game in Unity
+description: This guide covers the creation of a Telegram Game using Sequence's Unity SDK.
+---
+
+# Build a Telegram Mini-Game in Unity
+
+This guide will walk you through setting up your Telegram Mini-app or game using Sequence's Unity SDK, enabling web3
+functionality on EVM chains for your users, for email and guest authentication methods.
+
+We’ll develop the game logic in Unity, but to deploy it as a Telegram Mini-Game, we’ll package the WebGL
+build within a React project.
+
+## Setup your Telegram Bot
+
+::::steps
+### Create a Telegram Bot with BotFather
+
+1. Open Telegram and search for "@BotFather"
+2. Start a conversation by clicking "Start" or typing `/start`
+3. Create a new bot by typing `/newbot`
+4. Follow the prompts:
+- Enter a name for your bot
+- Choose a username (must end in 'bot')
+
+### Obtain Required Tokens
+
+After creating your bot, BotFather will provide:
+- Bot Token (HTTP API Token)
+- Bot Username
+
+Save these credentials - you'll need them for the next steps.
+::::
+
+## Prepare your Unity WebGL Project
+
+::::steps
+### Install Sequence's Unity SDK
+
+Use one of our [recommend installation options](/sdk/unity/installation) for your existing project or use our
+[Unity Boilerplate](https://github.com/0xsequence/unity-embedded-wallet-boilerplate) if you want to start a project from scratch.
+
+### UI for Mobile Layouts
+
+Ensure that your game's UI is optimized for mobile aspect ratios. We recommend using the
+[Device Simulator for Unity](https://docs.unity3d.com/2022.3/Documentation/Manual/device-simulator.html).
+Additionally, ensure your input handling is set up for touch controls.
+
+### Configure Sequence's React Template for WebGL
+
+Sequence's Unity SDK includes a WebGL Template for exporting as a React project.
+Copy the `WebGLTemplates` folder from `Packages/Sequence Embedded Wallet SDK/` into your project's `Assets/` directory.
+Go to `Project Settings` -> `Player` -> `WebGL` -> `Resolution and Presentation` and select the `SequenceReact` template.
+
+### Cloudflare Configuration
+
+Inside the React project's root directory, create a `wrangler.toml` file and include the following content.
+
+```shell
+name = "telegrambot"
+compatibility_date = "2024-03-25"
+pages_build_output_dir = "./dist"
+[vars]
+BOT_TOKEN = "GET_YOUR_BOT_TOKEN_FROM_BOTFATHER"
+BOT_SECRET = "can_be_any_long_random_string_abc123_do_not_share"
+
+[dev]
+port = 4444
+```
+
+### Build your WebGL game as a React project
+
+Open the root directory of your React project in a CLI or an IDE like Visual Studio Code, and run the following
+command to test your game in the browser.
+
+```
+pnpm install
+pnpm run dev
+```
+::::
+
+## Deploy your Telegram Mini-Game
+
+::::steps
+### Authenticate with Cloudflare Account
+From the React project's root directory, deploy the app and functions logic to Cloudflare.
+
+1. Run `pnpm wrangler pages deploy`
+
+This will prompt you to authenticate with Cloudflare if not already logged in. On successful deploy,
+copy the URL where your application is now hosted.
+
+### Register Webhook with Telegram
+
+Now we call our `registerWebhook` endpoint on our app to register the webhook function with the URL of your deployed
+application to enable access for the Telegram API.
+
+```shell
+curl -X POST \
+     "<YOUR_CLOUDFLARE_DEPLOYED_URL>/api/registerWebhook"
+```
+
+### Update Allowed Origins
+Ensure in [Sequence Builder](https://sequence.build/project/default/embedded-wallet) that your wallet configuration includes the URL of your deployed application
+as an allowed origin.
+::::
+
+### Test out your Telegram Game!
+Send a message to your bot on Telegram and check if it responds! It should answer you with the ability to share,
+play or get more information about the bot.

nav.ts

@@ -529,6 +529,11 @@ export const sidebar = {
               collapsed: true,
               link: '/guides/building-transaction-heavy-games-with-unity',
             },
+            {
+              text: 'How to build a Game with Unreal Engine',
+              collapsed: true,
+              link: '/guides/unreal-ew-guide',
+            },
             {
               text: 'Using Unity IAP to Sell NFTs',
               collapsed: true,
@@ -545,9 +550,9 @@ export const sidebar = {
               link: '/guides/unity-primary-sales',
             },
             {
-              text: 'How to build a Game with Unreal Engine',
+              text: 'Build a Telegram Mini-Game in Unity',
               collapsed: true,
-              link: '/guides/unreal-ew-guide',
+              link: '/guides/unity-webgl-telegram',
             },
             {
               text: 'Build a Telegram Mini-App with Sequence',