Add dependabot configuration for Go and npm dependencies

.github/dependabot.yml

@@ -0,0 +1,41 @@
+version: 2
+updates:
+  # Go modules
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+    open-pull-requests-limit: 5
+    groups:
+      go-dependencies:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"
+    labels:
+      - "dependencies"
+      - "go"
+
+  # npm dependencies for webui
+  - package-ecosystem: "npm"
+    directory: "/webui"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+    open-pull-requests-limit: 5
+    groups:
+      npm-production:
+        dependency-type: "production"
+        update-types:
+          - "minor"
+          - "patch"
+      npm-development:
+        dependency-type: "development"
+        update-types:
+          - "minor"
+          - "patch"
+    labels:
+      - "dependencies"
+      - "npm"