Added dependabot configuration

Author: s-frei

.github/dependabot.yml

@@ -0,0 +1,23 @@
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    target-branch: "master"
+    commit-message:
+      prefix: "Maven - "
+      include: "scope"
+
+  - package-ecosystem: "npm"
+    directory: "/frontend"
+    schedule:
+      interval: "daily"
+    target-branch: "master"
+    commit-message:
+      prefix: "NPM - "
+      include: "scope"