fix: use string array format for skills path

Claude Code requires skills paths as string array with ./ prefix.
Changed from object format to: ["./skills/typo3-docs"]

Author: CybotTM

.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "typo3-docs",
-  "version": "1.9.1",
+  "version": "1.9.2",
   "description": "Create and maintain TYPO3 extension documentation following official docs.typo3.org standards",
   "repository": "https://github.com/netresearch/typo3-docs-skill",
   "license": "MIT",
@@ -9,9 +9,6 @@
     "email": "info@netresearch.de"
   },
   "skills": [
-    {
-      "name": "typo3-docs",
-      "path": "skills/typo3-docs"
-    }
+    "./skills/typo3-docs"
   ]
 }