chore: add repository to package.json

Author: jiachengxu

package.json

@@ -1,7 +1,10 @@
 {
   "name": "argocd-mcp",
-  "version": "0.0.0",
   "description": "Argo CD MCP Server",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/akuity/argocd-mcp.git"
+  },
   "keywords": [
     "mcp",
     "argocd",