docs: add info on EditorConfig to READMEs

authentication/README.md

@@ -16,6 +16,10 @@ This module handles authentication from third parties using oAuth2 and OpenID.
 ## Environment variables
 Check `.env.example` to see which environment variables are needed. In particular, look for the env variable `RSD_ENVIRONMENT` to allow for easy admin creation when developing and testing out the RSD (this is not safe for production!).
 
+## Contributing
+
+This module uses [EditorConfig](https://editorconfig.org/) for basic formatting. Please check if your editor [already supports EditorConfig](https://editorconfig.org/#pre-installed) or if you need to [install a plugin](https://editorconfig.org/#download). A GitHub workflow is run on every PR to check if any files violate the formatting settings.
+
 ## Developing locally
 If you want to develop and run the auth module locally, i.e. outside of Docker, you have to make two changes to files tracked by Git.
 1. In `docker-compose.yml`, add the following lines to the `nginx` service:

backend-tests/README.md

@@ -7,7 +7,7 @@ SPDX-License-Identifier: CC-BY-4.0
 
 # Backend tests
 
-This folder contains backend tests for the RSD. It is intended to mainly: 
+This folder contains backend tests for the RSD. It is intended to mainly:
 - test the correctness of row level security rules
 - test the correctness of remote procedure calls (no tests yet)
 - load test the backend/database (no tests yet)
@@ -24,6 +24,10 @@ Tests should be written taking the following principles in account:
 - each test should be runnable independently of other tests
 - each test should be repeatable, without e.g. having to clean up the database first
 
+## Contributing
+
+This module uses [EditorConfig](https://editorconfig.org/) for basic formatting. Please check if your editor [already supports EditorConfig](https://editorconfig.org/#pre-installed) or if you need to [install a plugin](https://editorconfig.org/#download). A GitHub workflow is run on every PR to check if any files violate the formatting settings.
+
 ## Writing tests
 
 Each class containing tests should be annotated with `@ExtendWith({SetupAllTests.class})`. This refers to a class containing a global setup method, which runs once to check the connection to the database and to initialise global parameters.

scrapers/README.md

@@ -11,6 +11,10 @@ SPDX-License-Identifier: CC-BY-4.0
 
 This module contains the scrapers used by the RSD. The scrapers are written in Java using Maven.
 
+## Contributing
+
+This module uses [EditorConfig](https://editorconfig.org/) for basic formatting. Please check if your editor [already supports EditorConfig](https://editorconfig.org/#pre-installed) or if you need to [install a plugin](https://editorconfig.org/#download). A GitHub workflow is run on every PR to check if any files violate the formatting settings.
+
 ## Running from within Docker Compose
 
 If you have an instance of the RSD, including the scrapers, running with Docker Compose, you can manually run a scraper by running the respective command from the root of the project content: