fix: Add GTFS fixture to pkg data for use in tutorial

.gitignore

@@ -17,6 +17,7 @@ docs/tutorials/outputs/
 !tests/data/chester-20230816-small_gtfs.zip
 !tests/data/newport-20230613_gtfs.zip
 !src/assess_gtfs/data/route_lookup.pkl
+!src/assess_gtfs/data/newport-20230613_gtfs.zip
 !tests/data/report/html_template.html
 
 # exception for html templates

docs/getting_started/index.qmd

@@ -8,7 +8,7 @@ toc: true
 
 ### Installation
 
-This package is designed to work with python 3.9, 3.10 and 3.11.
+This package works with python 3.9, 3.10 and 3.11.
 
 We recommend running the package with a virtual environment such as
 [conda](https://conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html)
@@ -30,37 +30,20 @@ pip install assess-gtfs
 To use `assess-gtfs`, you will need a source of GTFS data. To locate your own,
 follow the how-to on [GTFS data][gtfs-how-to].
 
-Alternatively, you can use the small GTFS fixture available in our
-[GitHub repository][newport-gtfs-fixture].
+Alternatively, you can use the small GTFS fixture that is bundled with the
+`assess_gtfs` package.
 
 ```{python}
-#| warning: false
-#| output: false
+import glob
 import os
-import subprocess
-import tempfile
 
 from assess_gtfs.multi_validation import MultiGtfsInstance
+from assess_gtfs.utils.constants import PKG_PATH # to access package data
 
-# download the data
-tmp = tempfile.TemporaryDirectory()
-gtfs_pth = os.path.join(tmp.name, "downloaded_gtfs.zip")
-subprocess.run(
-    ["curl",
-    "-L",
-    "-o",
-    gtfs_pth,
-    "https://github.com/datasciencecampus/assess_gtfs/raw/dev/tests/data/gtfs/newport-20230613_gtfs.zip"
-    ])
-```
-
-Once the data has been downloaded you can instantiate a gtfs object using
-`assess-gtfs`.
-
-```{python}
-#| warning: false
-gtfs = MultiGtfsInstance(gtfs_pth)
+gtfs_pth = os.path.join(PKG_PATH, "data")
+gtfs = MultiGtfsInstance(glob.glob(gtfs_pth + "/*.zip"))
 gtfs.is_valid()
+
 ```
 
 For more on how to use `assess-gtfs`, see the [tutorial](/docs/tutorials/index.qmd).