feat: adiciona 12 plugins Descomplicar ao marketplace

Plugins: automacao, crm-ops, design-media, dev-tools, gestao,
infraestrutura, marketing, negocio, perfex-dev, project-manager,
wordpress + hello-plugin (existente).

Totais: 83 skills, 44 agents, 12 datasets.json

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

marketing/.claude-plugin/plugin.json

@@ -0,0 +1,12 @@
+{
+  "name": "marketing",
+  "description": "Digital marketing strategy, SEO, content marketing, social media, ads, copywriting, video and YouTube. Backed by 25 Dify KB datasets including 10 marketing mentors.",
+  "version": "1.0.0",
+  "author": {
+    "name": "Descomplicar - Crescimento Digital",
+    "url": "https://descomplicar.pt"
+  },
+  "homepage": "https://git.descomplicar.pt/ealmeida/descomplicar-plugins",
+  "license": "MIT",
+  "keywords": ["marketing", "seo", "conteudo", "social-media", "ads", "copywriting", "youtube"]
+}