feat: add synchronized hover effect for PDF and print-friendly buttons

- PDF buttons (fixed, action bar, menu) now sync hover states across all instances
- Print-friendly buttons (fixed, action bar, menu) sync green hover states
- White PDF icon with red hover background (#cd6060)
- Green print button hover (#27ae60)
- Implemented using hyperscript with .pdf-hover-sync and .print-hover-sync classes
- Creates cool visual feedback showing all related buttons simultaneously

templates/partials/widgets/print-friendly-button.html

@@ -0,0 +1,19 @@
+{{define "print-friendly-button"}}
+<!-- Print-Friendly Button (Fixed Left) -->
+<button
+    id="print-friendly-button"
+    class="fixed-btn print-friendly-btn no-print"
+    aria-label="{{if eq .Lang "es"}}Imprimir CV{{else}}Print CV{{end}}"
+    title="{{if eq .Lang "es"}}Imprimir CV{{else}}Print CV{{end}}"
+    onclick="window.print()"
+    _="on mouseenter
+         add .print-hover-sync to me
+         add .print-hover-sync to .action-bar-print-btn
+         add .print-hover-sync to .menu-print-btn
+       on mouseleave
+         remove .print-hover-sync from me
+         remove .print-hover-sync from .action-bar-print-btn
+         remove .print-hover-sync from .menu-print-btn">
+    <iconify-icon icon="mdi:leaf" width="28" height="28"></iconify-icon>
+</button>
+{{end}}