fix: add required fields to plugin manifests

- Add author, homepage, repository to all plugin manifests
- Add license field where missing
- Add commands and agents directory references
- Update keywords for better discoverability

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/project-hygiene/.claude-plugin/plugin.json

@@ -6,9 +6,16 @@
     "name": "Leo Miranda",
     "email": "leobmiranda@gmail.com"
   },
+  "homepage": "https://gitea.hotserv.cloud/personal-projects/support-claude-mktplace/src/branch/main/plugins/project-hygiene/README.md",
+  "repository": "https://gitea.hotserv.cloud/personal-projects/support-claude-mktplace.git",
   "license": "MIT",
-  "keywords": ["cleanup", "hygiene", "automation", "hooks", "maintenance"],
-  "repository": "https://gitea.hotserv.cloud/personal-projects/support-claude-mktplace",
+  "keywords": [
+    "cleanup",
+    "hygiene",
+    "automation",
+    "hooks",
+    "maintenance"
+  ],
   "hooks": {
     "PostToolUse": [
       {