feat: Add complete BotKonzept SaaS platform

- Landing page with registration form (HTML/CSS/JS)
- n8n workflows for customer registration and trial management
- PostgreSQL schema for customer/instance/payment management
- Automated email system (Day 3, 5, 7 with discounts)
- Setup script and deployment checklist
- Comprehensive documentation

Features:
- Automatic LXC instance creation per customer
- 7-day trial with automated upgrade offers
- Discount system: 30% → 15% → regular price
- Supabase integration for customer management
- Email automation via Postfix/SES
- GDPR compliant (data in Germany)
- Stripe/PayPal payment integration ready

Components:
- botkonzept-website/ - Landing page and registration
- BotKonzept-Customer-Registration-Workflow.json - n8n registration workflow
- BotKonzept-Trial-Management-Workflow.json - n8n trial management workflow
- sql/botkonzept_schema.sql - Complete database schema
- setup_botkonzept.sh - Automated setup script
- BOTKONZEPT_README.md - Full documentation
- DEPLOYMENT_CHECKLIST.md - Deployment guide

BotKonzept-Trial-Management-Workflow.json

@@ -0,0 +1,122 @@
+{
+  "name": "BotKonzept - Trial Management & Email Automation",
+  "nodes": [
+    {
+      "parameters": {
+        "rule": {
+          "interval": [
+            {
+              "field": "cronExpression",
+              "expression": "0 9 * * *"
+            }
+          ]
+        }
+      },
+      "id": "daily-cron",
+      "name": "Daily at 9 AM",
+      "type": "n8n-nodes-base.scheduleTrigger",
+      "typeVersion": 1.1,
+      "position": [250, 300]
+    },
+    {
+      "parameters": {
+        "operation": "executeQuery",
+        "query": "SELECT c.id as customer_id, c.email, c.first_name, c.last_name, c.company, c.created_at, c.status, i.ctid, i.hostname, i.fqdn, i.trial_end_date, i.credentials, EXTRACT(DAY FROM (NOW() - c.created_at)) as days_since_registration FROM customers c JOIN instances i ON c.id = i.customer_id WHERE c.status = 'trial' AND i.status = 'active' AND c.created_at >= NOW() - INTERVAL '8 days'",
+        "additionalFields": {}
+      },
+      "id": "get-trial-customers",
+      "name": "Get Trial Customers",
+      "type": "n8n-nodes-base.postgres",
+      "typeVersion": 2.4,
+      "position": [450, 300],
+      "credentials": {
+        "postgres": {
+          "id": "supabase-local",
+          "name": "Supabase Local"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "conditions": {
+          "number": [
+            {
+              "value1": "={{$json.days_since_registration}}",
+              "operation": "equal",
+              "value2": 3
+            }
+          ]
+        }
+      },
+      "id": "check-day-3",
+      "name": "Day 3?",
+      "type": "n8n-nodes-base.if",
+      "typeVersion": 1,
+      "position": [650, 200]
+    },
+    {
+      "parameters": {
+        "operation": "insert",
+        "schema": "public",
+        "table": "emails_sent",
+        "columns": "customer_id,email_type,sent_at",
+        "additionalFields": {}
+      },
+      "id": "log-email-sent",
+      "name": "Log Email Sent",
+      "type": "n8n-nodes-base.postgres",
+      "typeVersion": 2.4,
+      "position": [1450, 200],
+      "credentials": {
+        "postgres": {
+          "id": "supabase-local",
+          "name": "Supabase Local"
+        }
+      }
+    }
+  ],
+  "connections": {
+    "Daily at 9 AM": {
+      "main": [
+        [
+          {
+            "node": "Get Trial Customers",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Get Trial Customers": {
+      "main": [
+        [
+          {
+            "node": "Day 3?",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Day 3?": {
+      "main": [
+        [
+          {
+            "node": "Log Email Sent",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  },
+  "pinData": {},
+  "settings": {
+    "executionOrder": "v1"
+  },
+  "staticData": null,
+  "tags": [],
+  "triggerCount": 0,
+  "updatedAt": "2025-01-25T00:00:00.000Z",
+  "versionId": "1"
+}