fix(Google Sheets Node): Fix for append operation if no empty rows in sheet

packages/nodes-base/nodes/Google/Sheet/v2/helpers/GoogleSheet.ts

@@ -187,6 +187,43 @@ export class GoogleSheet {
 		return response;
 	}
 
+	async appendEmptyRowsOrColumns(sheetId: string, rowsToAdd = 1, columnsToAdd = 1) {
+		const requests: IDataObject[] = [];
+
+		if (rowsToAdd > 0) {
+			requests.push({
+				appendDimension: {
+					sheetId,
+					dimension: 'ROWS',
+					length: rowsToAdd,
+				},
+			});
+		}
+
+		if (columnsToAdd > 0) {
+			requests.push({
+				appendDimension: {
+					sheetId,
+					dimension: 'COLUMNS',
+					length: columnsToAdd,
+				},
+			});
+		}
+
+		if (requests.length === 0) {
+			throw new Error('Must specify at least one column or row to add');
+		}
+
+		const response = await apiRequest.call(
+			this.executeFunctions,
+			'POST',
+			`/v4/spreadsheets/${this.id}:batchUpdate`,
+			{ requests },
+		);
+
+		return response;
+	}
+
 	/**
 	 * Appends the cell values
 	 */