📖 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- Removed outdated or redundant documentation files and components to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/assets/css/tailwind.css

@@ -0,0 +1,88 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 222.2 84% 4.9%;
+  
+    --card: 0 0% 100%;
+    --card-foreground: 222.2 84% 4.9%;
+  
+    --popover: 0 0% 100%;
+    --popover-foreground: 222.2 84% 4.9%;
+  
+    --primary: 221.2 83.2% 53.3%;
+    --primary-foreground: 210 40% 98%;
+  
+    --secondary: 210 40% 96.1%;
+    --secondary-foreground: 222.2 47.4% 11.2%;
+  
+    --muted: 210 40% 96.1%;
+    --muted-foreground: 215.4 16.3% 46.9%;
+  
+    --accent: 210 40% 96.1%;
+    --accent-foreground: 222.2 47.4% 11.2%;
+  
+    --destructive: 0 84.2% 60.2%;
+    --destructive-foreground: 210 40% 98%;
+  
+    --border:214.3 31.8% 91.4%;
+    --input:214.3 31.8% 91.4%;
+    --ring:221.2 83.2% 53.3%;
+    --radius: 0.5rem;
+  }
+   
+  .dark {
+    --background:222.2 84% 4.9%;
+    --foreground:210 40% 98%;
+  
+    --card:222.2 84% 4.9%;
+    --card-foreground:210 40% 98%;
+  
+    --popover:222.2 84% 4.9%;
+    --popover-foreground:210 40% 98%;
+  
+    --primary:217.2 91.2% 59.8%;
+    --primary-foreground:222.2 47.4% 11.2%;
+  
+    --secondary:217.2 32.6% 17.5%;
+    --secondary-foreground:210 40% 98%;
+  
+    --muted:217.2 32.6% 17.5%;
+    --muted-foreground:215 20.2% 65.1%;
+  
+    --accent:217.2 32.6% 17.5%;
+    --accent-foreground:210 40% 98%;
+  
+    --destructive:0 62.8% 30.6%;
+    --destructive-foreground:210 40% 98%;
+  
+    --border:217.2 32.6% 17.5%;
+    --input:217.2 32.6% 17.5%;
+    --ring:224.3 76.3% 48%;
+  }
+}
+
+@layer utilities {
+  .step {
+    counter-increment: step;
+  }
+
+  .step:before {
+    @apply absolute w-9 h-9 bg-muted rounded-full font-mono font-medium text-center text-base inline-flex items-center justify-center -indent-px border-4 border-background;
+    @apply -ml-[50px] -mt-1;
+    content: counter(step);
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+
+  body {
+    @apply bg-background text-foreground;
+  }
+}