T10b feedback: error views with 404, 403, maintenance and offline, error boundary, drawn results, confirmation card, saving, sync and connection lines, countdown and timer with rolling digits

src/primitives/icon.rs

@@ -86,8 +86,11 @@ icons! {
     ClipboardCheck => "clipboard-check",
     Clipboard => "clipboard",
     Clock => "clock",
+    CloudAlert => "cloud-alert",
+    CloudCheck => "cloud-check",
     CloudOff => "cloud-off",
     Cloud => "cloud",
+    CloudUpload => "cloud-upload",
     Code => "code",
     Command => "command",
     Compass => "compass",
@@ -250,6 +253,7 @@ icons! {
     WandSparkles => "wand-sparkles",
     WifiOff => "wifi-off",
     Wifi => "wifi",
+    Wrench => "wrench",
     X => "x",
     Zap => "zap",
     ZoomIn => "zoom-in",