Add zoom-plugin to official marketplace

Promotes zoom-plugin from community-internal (PR #1567, merged
2026-04-07) to official. Uses url source pointing at
github.com/zoom/zoom-plugin without a SHA pin to track upstream.

Ref: DIR-77, DIR-79

.claude-plugin/marketplace.json

@@ -1453,6 +1453,16 @@
         "sha": "b93007e9a726c6ee93c57a949e732744ef5acbfd"
       },
       "homepage": "https://github.com/zapier/zapier-mcp/tree/main/plugins/zapier"
+    },
+    {
+      "name": "zoom-plugin",
+      "description": "Claude plugin for planning, building, and debugging Zoom integrations across REST APIs, SDKs, webhooks, bots, and MCP workflows.",
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/zoom/zoom-plugin.git"
+      },
+      "homepage": "https://developers.zoom.us/"
     }
   ]
 }