Initial Blinko Cloudron package

- CloudronManifest.json with PostgreSQL and localstorage addons
- Dockerfile based on cloudron/base:5.0.0
- NGINX reverse proxy configuration
- Supervisor process management
- Initialization script with auto-configuration

start.sh

@@ -0,0 +1,61 @@
+#!/bin/bash
+set -eu
+
+echo "=> Starting Blinko for Cloudron"
+
+# Initialize data directory on first run
+if [[ ! -f /app/data/.initialized ]]; then
+    echo "=> First run: initializing data directory..."
+    mkdir -p /app/data/.blinko
+    touch /app/data/.initialized
+fi
+
+# Generate NEXTAUTH_SECRET if not present
+if [[ ! -f /app/data/.nextauth_secret ]]; then
+    echo "=> Generating NEXTAUTH_SECRET..."
+    openssl rand -base64 32 > /app/data/.nextauth_secret
+fi
+
+NEXTAUTH_SECRET=$(cat /app/data/.nextauth_secret)
+
+# Set ownership
+chown -R cloudron:cloudron /app/data
+
+# Configure environment from Cloudron
+export NODE_ENV=production
+export DATABASE_URL="${CLOUDRON_POSTGRESQL_URL}"
+export NEXTAUTH_URL="${CLOUDRON_APP_ORIGIN}"
+export NEXT_PUBLIC_BASE_URL="${CLOUDRON_APP_ORIGIN}"
+export NEXTAUTH_SECRET="${NEXTAUTH_SECRET}"
+export TRUST_PROXY=1
+export DISABLE_SECURE_COOKIE=false
+
+# Configure mail settings if available
+if [[ -n "${CLOUDRON_MAIL_SMTP_SERVER:-}" ]]; then
+    export SMTP_HOST="${CLOUDRON_MAIL_SMTP_SERVER}"
+    export SMTP_PORT="${CLOUDRON_MAIL_SMTP_PORT}"
+    export SMTP_USER="${CLOUDRON_MAIL_SMTP_USERNAME}"
+    export SMTP_PASS="${CLOUDRON_MAIL_SMTP_PASSWORD}"
+    export SMTP_FROM="${CLOUDRON_MAIL_FROM}"
+fi
+
+# Set timezone if configured
+export TZ="${TZ:-UTC}"
+
+# Link data directory for Blinko
+ln -sfn /app/data/.blinko /app/code/.blinko
+
+# Run database migrations
+echo "=> Running database migrations..."
+cd /app/code
+npx prisma migrate deploy --schema=/app/code/prisma/schema.prisma
+
+# Seed database if needed
+echo "=> Checking database seed..."
+node /app/code/server/seed.js 2>/dev/null || true
+
+# Configure NGINX
+cp /app/code/nginx.conf /run/nginx.conf
+
+echo "=> Starting supervisor..."
+exec /usr/bin/supervisord --configuration /app/code/supervisor/supervisord.conf --nodaemon