Add adobe-for-creativity plugin

Adobe's Creative Cloud skills for image editing, design automation,
background removal, vectorization, and retouching. Points at the
plugins/creative-cloud/adobe-for-creativity subdir of adobe/skills.

.claude-plugin/marketplace.json

@@ -33,6 +33,21 @@
       },
       "homepage": "https://github.com/SalesforceAIResearch/agentforce-adlc"
     },
+    {
+      "name": "adobe-for-creativity",
+      "description": "Harness Adobe's creative AI-powered tools to edit images, automate design workflows, and bring creative visions to life — from background removal to vectorization and professional retouching.",
+      "author": {
+        "name": "Adobe"
+      },
+      "category": "design",
+      "source": {
+        "source": "git-subdir",
+        "url": "https://github.com/adobe/skills.git",
+        "path": "plugins/creative-cloud/adobe-for-creativity",
+        "ref": "main"
+      },
+      "homepage": "https://github.com/adobe/skills/tree/main/plugins/creative-cloud/adobe-for-creativity"
+    },
     {
       "name": "adspirer-ads-agent",
       "description": "Cross-platform ad management for Google Ads, Meta Ads, TikTok Ads, and LinkedIn Ads. 91 tools for keyword research, campaign creation, performance analysis, and budget optimization.",