Initial commit: Home automation docs and CODESYS project

- Reorganized project: codesys/, docs/codesys|redesign|integration|reference/, scripts/
- CODESYS project and exports in codesys/
- Documentation index in docs/README.md
- Redesign and light naming configuration
- Water boiler control and safety design

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/reference/setup.md

@@ -0,0 +1,76 @@
+# Setup Guide
+
+## Overview
+
+This guide provides step-by-step instructions for setting up the home automation system from scratch.
+
+## Prerequisites
+
+- [ ] Hardware components assembled
+- [ ] Network infrastructure in place
+- [ ] Access to all devices
+- [ ] Required software licenses (CODESYS)
+
+## Installation Order
+
+1. Network Configuration
+2. MQTT Broker Setup
+3. CODESYS Installation
+4. Node-RED Installation
+5. Zigbee2MQTT Setup
+6. Home Assistant Installation
+7. Integration Configuration
+
+## Step-by-Step Setup
+
+### 1. Network Configuration
+
+[Detailed network setup instructions]
+
+### 2. MQTT Broker (LXC)
+
+[Instructions for setting up MQTT broker in LXC container]
+
+### 3. CODESYS on Raspberry Pi
+
+[Instructions for installing and configuring CODESYS]
+
+### 4. Node-RED
+
+[Instructions for installing and configuring Node-RED]
+
+### 5. Zigbee2MQTT
+
+[Instructions for setting up Zigbee2MQTT]
+
+### 6. Home Assistant
+
+[Instructions for installing and configuring Home Assistant]
+
+### 7. Integration
+
+[Instructions for connecting all components]
+
+## Configuration Files
+
+[Links to or locations of configuration files]
+
+## Verification
+
+### Testing Checklist
+
+- [ ] MQTT broker is accessible
+- [ ] CODESYS can communicate with Node-RED
+- [ ] Zigbee devices are paired
+- [ ] Node-RED flows are working
+- [ ] Home Assistant can see all entities
+- [ ] Switches control lights correctly
+- [ ] Water boiler control works
+
+## Troubleshooting Setup Issues
+
+[Common setup problems and solutions]
+
+---
+
+**Status**: Template - needs detailed setup instructions