docs(intro): getting started

docs/get-started.md

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+---
+icon: material/home
+---
+
+# What is XGA?
+
+XGA is a platform that is comprised of an Optimism based Rollup, a smart contract protocol, an Ethereum consensus layer
+sidecar and a domain-specific engine called Open Games for proving/developing (game-specific) mechanisms.
+
+<div class="grid cards" markdown>
+
+- [**:octicons-beaker-16: Optimizing Bidding Stratagies**](#) – from a single _valuation definition_, traders can maintain or create different bidding strategies.
+- [**:octicons-sync-16: State sync**](/state) – automatically synchronize the state from the server with connected clients.
+- [**:octicons-server-16: Scalable**](/scalability) – built to be horizontally and/or vertically scalable
+- [**:octicons-cloud-16: Cloud-agnostic**](/deployment) – you may self-host it on your own servers for free, or use our commercial [XGA Cloud](https://cloud.xga.com/) service.
+
+</div>
+
+---
+
+## Getting started
+
+Before we start, let's make sure you have the necessary system requirements installed on your local machine.
+
+**Requirements**:
+
+## Creating your server
+
+Use the command below to set up a new XGA server project:
+
+=== ":octicons-terminal-16: Terminal: Node.js"
+
+    ``` bash
+    # Create a new XGA project
+    npm create xga-app@latest ./my-server
+
+    # Enter the project directory
+    cd my-server
+
+    # Run the server
+    npm start
+    ```
+
+=== ":octicons-terminal-16: Terminal: Bun"
+
+    ``` bash
+    # Create a new XGA project
+    bunx create-xga-app@latest ./my-server
+
+    # Enter the project directory
+    cd my-server
+
+    # Install Bun transport & Run the server
+    bun add @xga/bun-websockets
+    bun run src/index.ts
+    ```
+
+---
+
+## Next steps
+
+- See how to connect to the XGA Rollup through one of the available [client-side SDKs](/client/).
+- Implement your own [Valuation definition](/server/room) to handle your game sessions.
+- Learn how to [exchange messages](/server/room/#onmessage-type-callback) between the L2 Rollup and L1 Mainnet.
+- Learn how the [state synchronization](/state/) works.
+- Good Hunting.