List datasource templates

curl --request GET \
  --url https://api.reelevant.com/v2/datasources/templates \
  --header 'Authorization: Bearer <token>'

{
  "paginationCount": 123,
  "paginationPage": 123,
  "paginationLimit": 123,
  "status": "success",
  "program": "<string>",
  "version": "<string>",
  "datetime": "<string>",
  "message": "<string>",
  "data": [
    {
      "name": "<string>",
      "hidden": true,
      "icon": "<string>",
      "slug": "<string>",
      "categories": [
        "<string>"
      ],
      "template": {
        "version": {
          "type": {
            "name": "analytics",
            "subtype": "purchases",
            "options": {
              "autoExclusions": true,
              "noStats": true
            }
          },
          "fieldsMap": [
            {
              "name": "<string>",
              "selected": true,
              "primitive": "string",
              "sortable": true,
              "ignoreIfMissing": true,
              "metadata": {
                "locale": "de"
              }
            }
          ],
          "aggregationPipeline": [
            {
              "name": "merge",
              "params": {
                "fieldNames": [
                  "<string>"
                ],
                "datasourceId": "<string>",
                "query": "{\n$and: [{\n$or: {\nfoo: {\n$eq: { type: 'static', value: 'bar' }\n}\n}\n}, {\n$or: {\nbar: {\n$eq: { type: 'path', value: '<field_map_name>' }\n}\n}\n}]\n}",
                "exclusion": true
              }
            }
          ],
          "refresh": {
            "freq": 123
          },
          "detectMissingFields": true,
          "updateOptions": {
            "type": "override_previous_data",
            "options": {}
          },
          "sources": [
            {
              "input": {
                "source": {
                  "type": "url",
                  "options": {
                    "url": "<string>",
                    "format": {
                      "type": "csv",
                      "options": {
                        "csvDelimiter": "<string>"
                      }
                    },
                    "textEncoding": "<string>",
                    "options": {
                      "method": "GET",
                      "body": "<string>",
                      "headers": {},
                      "query": {},
                      "oauth": "<string>",
                      "timeout": 123,
                      "pagination": {
                        "type": "<unknown>",
                        "value": "<string>",
                        "startAt": 123,
                        "subtype": "<unknown>",
                        "maximumPage": 123
                      },
                      "variables": [
                        {
                          "name": "<string>",
                          "unique": true,
                          "required": true,
                          "enum": [
                            "<string>"
                          ],
                          "default": "<string>",
                          "sortable": true,
                          "primitive": "string"
                        }
                      ]
                    }
                  },
                  "preProcessingAggregations": [
                    {
                      "type": "unwind",
                      "options": {
                        "src": "<string>",
                        "dest": "<string>",
                        "allowEmpty": true
                      }
                    }
                  ]
                },
                "filter": {
                  "$and": [
                    {
                      "$and": [
                        {}
                      ]
                    }
                  ]
                },
                "fieldsRules": {},
                "sample": {}
              }
            }
          ]
        },
        "datasource": {
          "fetcher": {
            "params": {}
          }
        }
      },
      "steps": [
        {
          "name": "configure_name"
        }
      ],
      "errorsToStep": {},
      "stepDependencies": {
        "configure_name": [
          "configure_name"
        ],
        "configure_resource_group_ids": [
          "configure_name"
        ],
        "configure_sources": [
          "configure_name"
        ],
        "configure_fields": [
          "configure_name"
        ],
        "configure_field": [
          "configure_name"
        ],
        "create_oauth_client": [
          "configure_name"
        ],
        "authorize_oauth_client": [
          "configure_name"
        ],
        "configure_thresholds": [
          "configure_name"
        ],
        "configure_api_key": [
          "configure_name"
        ],
        "patch": [
          "configure_name"
        ],
        "configure_fetcher": [
          "configure_name"
        ],
        "validate": [
          "configure_name"
        ],
        "configure_google_tag_manager": [
          "configure_name"
        ],
        "configure_reelevant_analytics_script": [
          "configure_name"
        ],
        "configure_product_datasource_source": [
          "configure_name"
        ],
        "configure_tracking_datasource_source": [
          "configure_name"
        ],
        "configure_best_product_query": [
          "configure_name"
        ],
        "configure_best_product_field": [
          "configure_name"
        ],
        "configure_bought_together": [
          "configure_name"
        ],
        "configure_merge_mapping": [
          "configure_name"
        ],
        "configure_merge_datasource_source": [
          "configure_name"
        ],
        "configure_merge_datasource_dependency": [
          "configure_name"
        ],
        "configure_top_attributes": [
          "configure_name"
        ],
        "configure_destination": [
          "configure_name"
        ],
        "configure_hierarchy": [
          "configure_name"
        ]
      },
      "standaloneSteps": [
        "configure_name"
      ],
      "id": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "feature": "<string>"
    }
  ],
  "code": 123
}