Merge branch 'main' into update-python-from-3-8-to-3-9

.github/dependabot.yml

@@ -2,10 +2,11 @@
 
 version: 2
 updates:
-
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
   - package-ecosystem: "github-actions"
-    # `/` is correct for `github/workflows` according to https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
     directory: "/"
     schedule:
-      # Check for updates to GitHub Actions every week
       interval: "weekly"

README.md

@@ -103,3 +103,20 @@ virtual Python environment with the following command on Linux:
 If you have verified this command on Windows, we invite you to submit a PR to include that information here.
 
 [![Greenkeeper badge](https://badges.greenkeeper.io/writethedocs/www.svg)](https://greenkeeper.io/)
+
+### Using devcontainer
+
+In addition to local development with Python `venv`, it is also possible to use the devcontainer found in the root of the project.
+
+### Requirements
+
+Make sure all of the following is installed.
+
+- [Docker](https://docs.docker.com/get-started/get-docker/)
+- [Supported IDE](https://containers.dev/supporting#editors)
+
+Follow the steps below to open the development environment.
+
+1. Open a [supported IDE](https://containers.dev/supporting#editors)
+2. Click the "Open in devcontainer" popup
+3. The development environment starts in an containerized environment