feat: introduce synthetics in backend

[Subhra264]

Request payload

{
  "alert": {
    "emails": ["[email protected]"],
    "message": "No message",
    "title": "Subject synthetics",
    "type": "email"
  },
  "assertions": [
    {
      "key": "no_key",
      "operator": "=",
      "timing_scope": false,
      "type": "Body",
      "value": null
    }
  ],
  "createdAt": "2024-05-06T03:55:52.971208132Z",
  "description": "Description",
  "enabled": false,
  "lastEditedBy": "[email protected]",
  "name": "synthetics2",
  "orgId": "default",
  "owner": "[email protected]",
  "request": {
    "auth": {
      "basic": "",
      "bearer": "",
      "type": "basic"
    },
    "body": "Hello",
    "body_type": "raw",
    "cookies": "",
    "method": "post",
    "url": "http://localhost:5000"
  },
  "retry": {
    "count": 0,
    "delay": 0
  },
  "schedule": {
    "cron": "",
    "interval": 1,
    "start": 0,
    "timezoneOffset": 0,
    "type": "hours"
  },
  "type":"http"
}

API Endpoints

POST /api/{org_id}/synthetics
PUT /api/{org_id}/synthetics/{synthetics_name}
GET /api/{org_id}/synthetics
GET /api/{org_id}/synthetics/{synthetics_name}
DELETE /api/{org_id}/synthetics/{synthetics_name}
PUT /api/{org_id}/synthetics/{synthetics_name}/enable?value=<true|false>
PUT /api/{org_id}/synthetics/{synthetics_name}/trigger