Add initial Dependabot configuration

Introduces a basic dependabot.yml to enable automated updates for Docker and GitHub Actions dependencies on a weekly schedule.

Author: philippeVerney

dependabot.yml

@@ -0,0 +1,21 @@
+# Basic `dependabot.yml` file with
+# minimum configuration for three package managers
+
+version: 2
+updates:
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `docker` directory and recursive subdirectories
+    directories: "/docker/*"
+    # Check for updates once a week
+    schedule:
+      interval: "weekly"
+      
+  # Enable version updates for GitHub Actions
+  - package-ecosystem: "github-actions"
+    # Workflow files stored in the default location of `.github/workflows`
+    # You don't need to specify `/.github/workflows` for `directory`. You can use `directory: "/"`.
+    directory: "/"
+    schedule:
+      interval: "weekly"
+