[DOC] made change to devguide to add. (pyjanitor-devs#1072)

Author: ashenafiya

AUTHORS.md

@@ -103,4 +103,6 @@ Contributors
 - [@Zeroto521](https://github.com/Zeroto521) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Zeroto521)
 - [@thatlittleboy](https://github.com/thatlittleboy) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Athatlittleboy)
 - [@robertmitchellv](https://github.com/robertmitchellv) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Arobertmitchellv)
+- [@ashenafiyb](https://github.com/ashenafiya) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Aashenafiyb)
 - [@gahjelle](https://github.com/gahjelle) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Agahjelle)
+

CHANGELOG.md

@@ -26,6 +26,7 @@
 -   [BUG] Fixed bug in `transform_columns` which ignored the `column_names` specification when `new_column_names` dictionary was provided as an argument, issue #1063. @thatlittleboy
 -   [BUG] `count_cumulative_unique` no longer modifies the column being counted in the output when `case_sensitive` argument is set to False, issue #1065. @thatlittleboy
 -   [BUG] Fix for gcc missing error in dev container
+-   [DOC] Added a step in the dev guide to install `Remote Container` in VS Code. @ashenafiyb
 -   [DOC] Convert `expand_column` code examples to doctests, issue #972. @gahjelle
 
 ## [v0.22.0] - 2021-11-21

mkdocs/devguide.md

@@ -22,10 +22,11 @@ To get started:
 1. Fork the repository.
 2. Ensure you have Docker running on your local machine.
 3. Ensure you have VSCode running on your local machine.
-4. In Visual Studio Code,
+4. In VS Code, Install an extension called `Remote - Containers`.
+5. In Visual Studio Code,
     click on the quick actions Status Bar item in the lower left corner.
-5. Then select "Remote Containers: Clone Repository In Container Volume".
-6. Enter in the URL of your fork of `pyjanitor`.
+6. Then select "Remote Containers: Clone Repository In Container Volume".
+7. Enter in the URL of your fork of `pyjanitor`.
 
 VSCode will pull down the prebuilt Docker container,
 git clone the repository for you inside an isolated Docker volume,