feat: add crosses font with WOFF2 support for prayer symbols

- Add crosses.ttf and crosses.woff2 font files to static/fonts/
- Load crosses font globally in app.css with WOFF2 and TTF fallback
- Apply crosses font to italic elements in prayers (christ.css)
- Ensures consistent cross symbol rendering across prayers and rosary

src/lib/css/christ.css

@@ -19,6 +19,7 @@ i{
 	font-style: normal;
 	color: var(--nord11);
 	font-weight: 900;
+	font-family: 'crosses', sans-serif;
 }
 i.txt {
 	font-size: 70%;