fix: update Projects section icon and remove footer separator

Changes:
- Changed section icon from folders (mdi:folder-multiple) to globe (mdi:earth)
- Removed border-top separator above "See all projects" footer text

This creates a cleaner visual appearance for the Projects section.

static/css/main.css

@@ -1026,7 +1026,6 @@ iconify-icon {
 .projects-footer {
     margin-top: 1.5rem;
     padding-top: 1rem;
-    border-top: 2px solid #ddd;
     text-align: center;
     font-size: 0.95em;
     color: var(--text-gray);

templates/cv-content.html

@@ -205,7 +205,7 @@
             {{if .CV.Projects}}
             <section id="projects" class="cv-section">
                 <h3 class="section-title">
-                    <iconify-icon icon="mdi:folder-multiple" width="24" height="24" class="section-icon"></iconify-icon>
+                    <iconify-icon icon="mdi:earth" width="24" height="24" class="section-icon"></iconify-icon>
                     {{if eq .Lang "es"}}Proyectos{{else}}Projects{{end}}
                 </h3>
                 {{range .CV.Projects}}