Add dependabot config (#3)

Co-authored-by: Oliver Kopp <kopp.dev@gmail.com>

Author: Siedlerchr

.github/dependabot.yml

@@ -0,0 +1,27 @@
+# Basic `dependabot.yml` file with
+# minimum configuration for three package managers
+
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: sunday
+
+  # 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"
+      day: sunday
+  
+  - package-ecosystem: "gitsubmodule"
+    directory: "/"
+    schedule:
+      interval: weekly
+      day: sunday
+    labels: [ ]