Correct the path of ipynb file of notebook introduction. (#15327)

examples/quickstart/jupyter-notebooks/notebooks/01-introduction/00-START-HERE.ipynb

@@ -66,7 +66,7 @@
     "topics and use a simple set of Python wrappers around the underlying REST API. The\n",
     "wrappers reside in the `druidapi` package within this directory. While the package\n",
     "can be used in any Python program, the key purpose, at present, is to support these\n",
-    "notebooks. See the [Introduction to the Druid Python API](01-druidapi-package-intro.ipynb)\n",
+    "notebooks. See the [Introduction to the Druid Python API](../01-introduction/01-druidapi-package-intro.ipynb)\n",
     "for an overview of the Python API."
    ]
   },
@@ -89,7 +89,7 @@
     "\n",
     "- [Introduction to the Druid REST API](../04-api/00-getting-started.ipynb) walks you through some of the\n",
     "  basics related to the Druid REST API and several endpoints.\n",
-    "- [Introduction to the Druid Python API](01-druidapi-package-intro.ipynb) walks you through some of the\n",
+    "- [Introduction to the Druid Python API](../01-introduction/01-druidapi-package-intro.ipynb) walks you through some of the\n",
     "  basics related to the Druid API using the Python wrapper API.\n",
     "- [Learn the basics of Druid SQL](../03-query/00-using-sql-with-druidapi.ipynb) introduces you to the unique aspects of Druid SQL with the primary focus on the SELECT statement.\n",
     "- [Learn to use the Data Generator](./02-datagen-intro.ipynb) gets you started with streaming and batch file data generation for testing of any data schema.\n",