- Replace homepage content with sunset messaging for May 30, 2025 service end

- Convert inline SVGs to external files for better maintainability
-Removed Login buttons except for /sign-in page
-Removed header navs

app/assets/sass/uswds/_uswds-theme-custom-styles.scss

@@ -871,6 +871,10 @@ $do-dont-top-bar-width: 1;
   border-radius: 2px;
 }
 
+.bg-gray-cool {
+  background-color: #dfe1e2;
+}
+
 .svg-circle-icon {
   display: inline-block;
   margin: 0;