[feat]: add notebook and update reqs

.gitignore

@@ -166,3 +166,8 @@ venv.bak/
 */great_expectations/uncommitted
 *.ge_store_backend_id
 uncommitted
+
+
+# save data as example
+
+!data/01_raw/companies.csv

README.md

@@ -6,16 +6,20 @@ make install
 conda activate kedro-ge-example
 ```
 
-Download this data <https://kedro-org.github.io/kedro/companies.csv>
-and save it in `data/01_raw`
-
 Then you can execute:
 
 ```bash
-kedro run
+(kedro-ge-example) kedro run
 ```
 
-The folder `data/08_reporting/great_expectations` you will find a great expectations report
+The file `data/08_reporting/great_expectations/data_docs/local_site/index.html` will contain a html great expectations report. 
 
 In `conf/base/parameters/great_expectations_hook.yml` you can find some parameters of the hook.
-The validation works with in memory datasets [you can try commenting the catalog entry of `preprocessed_companies`]
+The validation also works with in memory datasets [you can try commenting the catalog entry of `preprocessed_companies`]
+
+
+There is a sample notebook in `notebooks/great_expectations_starter.ipynb` to create expectations:
+
+```bash
+(kedro-ge-example) kedro jupyter notebook
+```