docs: restructure website, optimize HTML, gitignore private files

Website docs (website/docs/):
- Delete 6 stale -md.html duplicates
- Rename docs-clients/miners/developers → clients/miners/developers.html
- Unify header/nav across all 15 pages (new .site-header pattern)
- Fix 34 dead href=# links with real targets
- Upgrade Font Awesome v4→v6 in index.html
- Replace search stub with live client-side search (15-page index)
- Extract all inline CSS into shared docs.css (+630 lines)
- Extract inline theme JS into shared theme.js
- Strip inline style= attributes from 10+ pages
- Add .announce-banner, .source-links, .search-results CSS classes
- Add Markdown Source links to clients/miners/developers pages
- Update components.html title to Architecture & Components
- Move browser-wallet.html to website/wallet/, leave redirect
- Update all dates to February 2026

Website root:
- Delete 6 root-level duplicate HTML files (160KB saved)
- Rewire index.html and 404.html links

Root README.md:
- Fix 8 broken doc links to new numbered folder structure
- Update copyright to 2026

.gitignore + .example files:
- Gitignore private files: .aitbc.yaml, .env, deploy scripts,
  GPU scripts, service scripts, infra configs, .windsurf/, website README
- Create 7 .example files for GitHub users with sanitized templates
- Untrack 47 previously committed private files

Live server:
- Push all website files to aitbc-cascade:/var/www/html/
- Clean stale admin.html and index.nginx-debian.html

scripts/deploy/container-deploy.py

@@ -1,109 +0,0 @@
-#!/usr/bin/env python3
-"""
-Deploy AITBC services to incus container
-"""
-
-import subprocess
-import time
-import sys
-
-def run_command(cmd, container=None):
-    """Run command locally or in container"""
-    if container:
-        cmd = f"incus exec {container} -- {cmd}"
-    print(f"Running: {cmd}")
-    result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
-    if result.returncode != 0:
-        print(f"Error: {result.stderr}")
-        return False
-    return True
-
-def deploy_to_container():
-    container = "aitbc"
-    container_ip = "10.1.223.93"
-    
-    print("🚀 Deploying AITBC services to container...")
-    
-    # Stop local services
-    print("\n📋 Stopping local services...")
-    subprocess.run("sudo fuser -k 8000/tcp 2>/dev/null || true", shell=True)
-    subprocess.run("sudo fuser -k 9080/tcp 2>/dev/null || true", shell=True)
-    subprocess.run("pkill -f 'marketplace-ui' 2>/dev/null || true", shell=True)
-    subprocess.run("pkill -f 'trade-exchange' 2>/dev/null || true", shell=True)
-    
-    # Copy project to container
-    print("\n📁 Copying project to container...")
-    subprocess.run(f"incus file push -r /home/oib/windsurf/aitbc {container}/home/oib/", shell=True)
-    
-    # Setup Python environment in container
-    print("\n🐍 Setting up Python environment...")
-    run_command("cd /home/oib/aitbc && python3 -m venv .venv", container)
-    run_command("cd /home/oib/aitbc && source .venv/bin/activate && pip install fastapi uvicorn httpx sqlmodel", container)
-    
-    # Install dependencies
-    print("\n📦 Installing dependencies...")
-    run_command("cd /home/oib/aitbc/apps/coordinator-api && source ../../.venv/bin/activate && pip install -e .", container)
-    run_command("cd /home/oib/aitbc/apps/blockchain-node && source ../../.venv/bin/activate && pip install -e .", container)
-    
-    # Create startup script
-    print("\n🔧 Creating startup script...")
-    startup_script = """#!/bin/bash
-cd /home/oib/aitbc
-
-# Start blockchain node
-echo "Starting blockchain node..."
-cd apps/blockchain-node
-source ../../.venv/bin/activate
-python -m uvicorn aitbc_chain.app:app --host 0.0.0.0 --port 9080 &
-NODE_PID=$!
-
-# Start coordinator API
-echo "Starting coordinator API..."
-cd ../coordinator-api
-source ../../.venv/bin/activate
-python -m uvicorn src.app.main:app --host 0.0.0.0 --port 8000 &
-COORD_PID=$!
-
-# Start marketplace UI
-echo "Starting marketplace UI..."
-cd ../marketplace-ui
-python server.py --port 3001 &
-MARKET_PID=$!
-
-# Start trade exchange
-echo "Starting trade exchange..."
-cd ../trade-exchange
-python server.py --port 3002 &
-EXCHANGE_PID=$!
-
-echo "Services started!"
-echo "Blockchain: http://10.1.223.93:9080"
-echo "API: http://10.1.223.93:8000"
-echo "Marketplace: http://10.1.223.93:3001"
-echo "Exchange: http://10.1.223.93:3002"
-
-# Wait for services
-wait $NODE_PID $COORD_PID $MARKET_PID $EXCHANGE_PID
-"""
-    
-    # Write startup script to container
-    with open('/tmp/start_aitbc.sh', 'w') as f:
-        f.write(startup_script)
-    
-    subprocess.run("incus file push /tmp/start_aitbc.sh aitbc/home/oib/", shell=True)
-    run_command("chmod +x /home/oib/start_aitbc.sh", container)
-    
-    # Start services
-    print("\n🚀 Starting AITBC services...")
-    run_command("/home/oib/start_aitbc.sh", container)
-    
-    print(f"\n✅ Services deployed to container!")
-    print(f"\n📋 Access URLs:")
-    print(f"  🌐 Container IP: {container_ip}")
-    print(f"  📊 Marketplace: http://{container_ip}:3001")
-    print(f"  💱 Trade Exchange: http://{container_ip}:3002")
-    print(f"  🔗 API: http://{container_ip}:8000")
-    print(f"  ⛓️  Blockchain: http://{container_ip}:9080")
-
-if __name__ == "__main__":
-    deploy_to_container()