Add Dependabot Configuration (#66)

* add dependabot configuration for npm ecosystem for zetachain related packages

* update dependabot configuration to reflect on the exact packages use

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Co-authored-by: jkan2 <5862123+jkan2@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directories:
+      - "/web"
+      - "/contracts"
+    schedule:
+      interval: "daily"
+    commit-message:
+      prefix: "dependabot: " 
+    labels:
+      - "dependencies" 
+    allow:
+      - dependency-name: "@zetachain/toolkit"
+      - dependency-name: "@zetachain/universalkit"