feat: add UEX logo to last two University of Extremadura courses

- Add uex.png logo to '1st Extremadura Conference on Software Industry'
- Add uex.png logo to 'Web Application Development: Apache, PHP and MySQL'
- Both courses in English and Spanish versions now display University logo
- Total: 5 out of 10 courses now have logos (servoy, forem, camaracomercio, uex×2)

data/cv-en.json

@@ -709,6 +709,7 @@
     {
       "title": "1st Extremadura Conference on Software Industry",
       "institution": "University of Extremadura",
+      "courseLogo": "uex.png",
       "location": "Cáceres",
       "date": "2005-07",
       "duration": "3 days",
@@ -722,6 +723,7 @@
     {
       "title": "Web Application Development: Apache, PHP and MySQL",
       "institution": "University of Extremadura",
+      "courseLogo": "uex.png",
       "location": "Cáceres",
       "date": "2002",
       "duration": "40 hours",