chore(marketplace): add ourdigital-skills local marketplace + fix README install docs (#1)

custom-skills/81-mac-optimizer/.claude-plugin/plugin.json

@@ -15,31 +15,5 @@
     "packages",
     "disk-space"
   ],
-  "license": "MIT",
-  "commands": [
-    {
-      "name": "mac-doctor",
-      "description": "Full macOS system health check — runs all 5 audit modules and presents unified findings"
-    },
-    {
-      "name": "mac-packages",
-      "description": "Audit package managers (Homebrew, npm, pip, pyenv) for outdated packages and issues"
-    },
-    {
-      "name": "mac-environment",
-      "description": "Audit shell environment — PATH, symlinks, shell configs, and startup time"
-    },
-    {
-      "name": "mac-security",
-      "description": "Security posture assessment — SIP, Gatekeeper, Firewall, FileVault, SSH, ports"
-    },
-    {
-      "name": "mac-cleanup",
-      "description": "Scan and clean caches, logs, and clutter — shows sizes first, cleans only with consent"
-    },
-    {
-      "name": "mac-resources",
-      "description": "Monitor CPU, memory, disk, battery, and identify resource-hungry processes"
-    }
-  ]
+  "license": "MIT"
 }