feat: replace Behance with Domestika portfolio

- Updated personal.behance to personal.domestika in both EN and ES
- Changed all Behance URLs to Domestika portfolio URL
- Updated footer label from "behance_" to "domestika_"
- Updated JSON-LD schema to reference Domestika
- Updated Go model struct field from Behance to Domestika
- New portfolio URL: https://www.domestika.org/es/txeo/portfolio

data/cv-es.json

@@ -10,7 +10,7 @@
     "citizenship": "Española",
     "linkedin": "https://www.linkedin.com/in/juan-andres-moreno-rubio",
     "github": "https://github.com/juanatsap",
-    "behance": "https://www.behance.net/txeo",
+    "domestika": "https://www.domestika.org/es/txeo/portfolio",
     "website": "https://juan.andres.morenoyrubio.com",
     "photo": "/static/images/profile.jpg"
   },
@@ -749,11 +749,11 @@
       "linkText": "Carta de presentación"
     },
     {
-      "title": "Portfolio Completo. Inglés",
-      "url": "http://www.behance.net/txeo",
+      "title": "Portfolio Completo. Domestika",
+      "url": "https://www.domestika.org/es/txeo/portfolio",
       "type": "portfolio",
       "textBefore": "Portfolio Completo.",
-      "linkText": "Inglés"
+      "linkText": "Domestika"
     },
     {
       "title": "Perfil de LinkedIn",