Add adobe-for-creativity plugin (#197)

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,
SHA-pinned to current main.

Author: tobinsouth

.claude-plugin/marketplace.json

@@ -333,6 +333,19 @@
       },
       "homepage": "https://github.com/figma/mcp-server-guide"
     },
+    {
+      "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.",
+      "category": "design",
+      "source": {
+        "source": "git-subdir",
+        "url": "https://github.com/adobe/skills.git",
+        "path": "plugins/creative-cloud/adobe-for-creativity",
+        "ref": "main",
+        "sha": "f69558c215fe00c114a3946b9faf2db92cb14e09"
+      },
+      "homepage": "https://github.com/adobe/skills/tree/main/plugins/creative-cloud/adobe-for-creativity"
+    },
     {
       "name": "pdf-viewer",
       "source": "./pdf-viewer",