Create export_history table, schema, API

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "description": "Export orders or order lines history",
  "type": "object",
  "properties": {
    "id": {
      "description": "UUID of this history record",
      "$ref": "../../common/schemas/uuid.json"
    },
    "exportType": {
      "description": "UUID of the export Job",
      "$ref": "../../common/schemas/uuid.json"
    },
    "exportJobId": {
      "description": "Free form commentary",
      "type": "string"
    },
   "exportDate": {
      "description": "Export date",
      "type": "string",
      "format": "date-time"
    },
    "exportedPoLineIds": {
      "description": "References the purchase order lines associated to the export",
      "id": "exportedPoLineIds",
      "type": "array",
      "items": {
        "description": "UUID of the purchase order line",
        "type": "string"
      }
    }
  },
  "additionalProperties": false,
  "required": [
    "exportType",
    "exportJobId",
    "exportDate"
  ]
}

{
  "id": "99fb699a-cdf1-11e9-a9d9-f2801f1b9aa1",
  "exportType": "EDIFACT_ORDERS_EXPORT",
  "exportJobId": "22fb627a-cdf1-11e8-a8d5-f2801f1b9aa1",
  "exportDate": "2020-12-25",
  "exportedPoLineIds": [
    "11fb627a-cdf1-11e8-a8d5-f2801f1b9fd1",
    "11fb627a-cdf1-11e8-a8d5-f2801f1b9fd2",
    "11fb627a-cdf1-11e8-a8d5-f2801f1b9fd3",
    "11fb627a-cdf1-11e8-a8d5-f2801f1b9fd4"
  ]
}