📖 docs: Update README.md (#189)

## Description
Update the readme file

## Related Issues
none

## Type of Change

- [ ] Bug fix (non-breaking change)
- [ ] New feature (non-breaking change)
- [ ] Breaking change (fix or feature that changes existing
functionality)
- [x] Documentation update
- [ ] Other (please describe):

## Checklist

- [x] I have updated relevant documentation
- [x] My code follows the project's coding style
- [x] My changes generate no new warnings/errors

## Notes for Reviewers
none

## Screenshots/Demo
none

## Additional Context
none

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Documentation**
- Major overhaul of documentation structure and content for improved
clarity, modern presentation, and ease of navigation.
- Updated and expanded guides for installation, setup, architecture, and
command-line interfaces.
- Enhanced FAQ and troubleshooting sections with more comprehensive
answers and technical details.
- Added new guides for self-hosting with reverse proxy examples (Caddy,
Traefik) and developer notes.
- Improved theming, styling, and home page layout for the documentation
site.
  - Simplified main README to a minimalistic project header and tagline.
- Added new documentation files for Nestri Relay introduction and
container CLI parameters.
- Removed outdated or redundant documentation files and components to
streamline content.

- **Chores**
- Updated, reorganized, or removed configuration files for dependencies,
linting, and environment setup.
- Switched to a new documentation theme and updated related project
dependencies.
- Removed Renovate configuration and ESLint config specific to docs app.
- Adjusted TypeScript and package configurations for better
compatibility.

- **Style**
- Improved dark mode support and visual consistency across documentation
and components.
- Introduced new Tailwind CSS theming and animation support for the
documentation site.

- **New Features**
- Added example configuration files for deploying Nestri Relay with
Caddy and Traefik reverse proxies.
- Introduced new Tailwind CSS theming and animation support for the
documentation site.
- Added a new logo component supporting light/dark mode and optional
title display.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Victor Pahuus Petersen <49293748+victorpahuus@users.noreply.github.com>
Co-authored-by: Wanjohi <elviswanjohi47@gmail.com>
Co-authored-by: DatCaptainHorse <DatCaptainHorse@users.noreply.github.com>

apps/docs/content/1.introduction/1.what-is-nestri.md

@@ -1,21 +1,25 @@
-# What is Nestri?
+---
+title: What is Nestri?
+description: Learn about Nestri, an open-source, self-hostable cloud gaming platform that gives you full control over your gaming server, streaming, and setup.
+icon: 'lucide:gamepad'
+---
 
 Nestri is a self-hosted cloud gaming platform that enables you to spin up dedicated gaming sessions remotely and play your own games from any device with a browser. Unlike remote desktop solutions like Parsec, which focus on streaming a desktop environment, Nestri is designed specifically for cloud gaming. It works similarly to services like NVIDIA GeForce Now, allowing you to enjoy high-performance gaming without needing to be physically near your gaming PC.
 
-The key difference with Nestri is that it’s entirely self-hosted, so you have full control over the server, the games you install, and the entire setup. Nestri is ideal for gamers who prioritize privacy, flexibility, and control, offering a way to manage your own gaming infrastructure rather than relying on third-party services. As long as you have a stable internet connection and access to a web browser, you can game from virtually anywhere.
+The key difference with Nestri is that it’s open-source and can be self-hosted, so you have full control over the server, the games you install, and the entire setup. Nestri is ideal for gamers who prioritize privacy, flexibility, and control, offering a way to manage your own gaming infrastructure rather than relying on third-party services. As long as you have a stable internet connection and access to a web browser, you can game from virtually anywhere.
 
+## Nestri Architecture
 
-## Nestri Modules
+Nestri is composed of the following key components:
 
-To provide a smooth and efficient gaming experience, Nestri is composed of the following key components:
+#### Nestri Node
 
-### Nestri Node
-The Nestri Node is the core of your Nestri setup. It acts as the game server where you install and run your games. The Nestri Node streams gameplay from the machine it’s installed on, allowing you to access your games remotely. It runs on most Linux-based systems and requires an NVIDIA graphics card to ensure a high-quality gaming experience.
+The **Nestri Node** (also referred to as *Instance*) is the core of your Nestri setup. It acts as the game server where you install and run your games. The Nestri Node streams gameplay from the machine it’s installed on, allowing you to access your games remotely. It runs on most Linux-based systems and major vendor's GPUs (Intel, AMD, NVIDIA).
 
-Since Nestri Node cannot run alongside Xorg (the graphical interface), it’s recommended to install it on a dedicated machine. This way, your server can focus solely on streaming your games while avoiding conflicts with your local display setup.
+**Nestri Node** runs within a container, which isolates it from the host system, keeping the host environment clean and secure. This containerization also allows for easy updates, management and recovery of your gaming environment.
 
-### Nestri Relay
-The Nestri Relay is responsible for transporting the video stream from your Nestri Node to the device you're gaming on. By default, Nestri connects to the Nestri-hosted Relay, which requires no configuration and is available for all users. This simplifies the setup process, ensuring a smooth streaming experience without the need for advanced networking or SSL certificate management.
+#### Nestri Relay
 
-For advanced users, it's possible to self-host the relay, but this requires the setup of secure SSL certificates. This option is typically more complex and is recommended only for developers or those familiar with network configuration.
+The **Nestri Relay** is responsible for taking the audio-video stream from your **Nestri Node** and sending that forward to the device you're gaming on with minimal latency. This is essentially a WebRTC SFU (Selective Forwarding Unit) that splits single incoming stream to multiple potential players, allowing multiple devices to connect to the same game session without overwhelming the **Nestri Node** with multiple outgoing streams.
 
+**Nestri Relay** runs within a container, similar to the **Nestri Node**, and can be deployed on the same machine or a different one.