docs: docs website + installation (#778)

* feat: WIP doc (vibe started and iterated)

* install from scratch docs

* caddyfile.example

* gitignore

* authentik script

* authentik script

* authentik script

* llm doc

* authentik ongoing

* more daily setup logs

* doc website

* gpu self hosted setup guide (no-mistakes)

* doc review round

* doc review round

* doc review round

* update doc site sidebars

* feat(docs): add mermaid diagram support

* docs polishing

* live pipeline doc

* move pipeline dev docs to dev docs location

* doc pr review iteration

* dockerfile healthcheck

* docs/pr-comments

* remove jwt comment

* llm suggestion

* pr comments

* pr comments

* document auto migrations

* cleanup docs

---------

Co-authored-by: Mathieu Virbel <mat@meltingrocks.com>
Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

docs/docs/installation/requirements.md

@@ -0,0 +1,63 @@
+---
+sidebar_position: 2
+title: System Requirements
+---
+
+# System Requirements
+
+This page lists hardware and software requirements. For the complete deployment guide, see [Deployment Guide](./overview).
+
+## Server Requirements
+
+### Minimum Requirements
+
+- **CPU**: 4 cores
+- **RAM**: 8 GB
+- **Storage**: 50 GB SSD
+- **OS**: Ubuntu 22.04+ or compatible Linux
+- **Network**: Public IP address
+
+### Recommended Requirements
+
+- **CPU**: 8+ cores
+- **RAM**: 16 GB
+- **Storage**: 100 GB SSD
+- **Network**: 1 Gbps connection
+
+## Software Requirements
+
+- Docker Engine 20.10+
+- Docker Compose 2.0+
+
+## External Services
+
+### Required
+
+- **Two domain names** - One for frontend (e.g., `app.example.com`), one for API (e.g., `api.example.com`)
+- **Modal.com account** - For GPU-accelerated transcription and diarization (free tier available)
+- **HuggingFace account** - For Pyannote diarization model access
+- **LLM API** - For generating summaries and topic detection. Options:
+  - OpenAI API (https://platform.openai.com/account/api-keys)
+  - Any OpenAI-compatible endpoint (vLLM, LiteLLM, Ollama)
+  - Self-hosted: Phi-4 14B 4-bit recommended (~8GB VRAM)
+
+### Required for Live Meeting Rooms
+
+- **Daily.co account** - For video conferencing (free tier available at https://dashboard.daily.co)
+- **AWS S3 bucket + IAM Role** - For Daily.co to store recordings
+- **Another AWS S3 bucket (optional, can reuse the one above)** - For Reflector to store "compiled" mp3 files and transient diarization process temporary files
+
+### Optional
+
+- **AWS S3** - For cloud storage of recordings and transcripts
+- **Authentik** - For SSO/OIDC authentication
+- **Sentry** - For error tracking
+
+## Development Requirements
+
+For local development only (not required for production deployment):
+
+- Node.js 22+ (for frontend development)
+- Python 3.12+ (for backend development)
+- pnpm (for frontend package management)
+- uv (for Python package management)