Add catalyst-by-zoho plugin (#4400)

.claude-plugin/marketplace.json

@@ -694,6 +694,20 @@
       },
       "homepage": "https://carta.com"
     },
+    {
+      "name": "catalyst-by-zoho",
+      "description": "Official Claude Code plugin for Catalyst by Zoho — full-stack serverless cloud platform. With Skills that covers all services, SDKs, CLI, architecture patterns, pricing, migration guides, and Zoho MCP tool-based resource management.",
+      "author": {
+        "name": "Catalyst by Zoho"
+      },
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/catalystbyzoho/claude-plugin.git",
+        "sha": "9e5fb1cdb0482100ee0f1de10c096c55a9943516"
+      },
+      "homepage": "https://catalyst.zoho.com/"
+    },
     {
       "name": "cds-mcp",
       "description": "AI-assisted development of SAP Cloud Application Programming Model (CAP) projects. Search CDS models and CAP documentation.",