Add Launcher application template and icon system

packages/ui-react/src/AppHeader.tsx

@@ -5,6 +5,7 @@ export interface AppHeaderProps extends HTMLAttributes<HTMLElement> {
   brand: ReactNode;
   brandHref?: string;
   brandLabel?: string;
+  fixed?: boolean;
   left?: ReactNode;
   center?: ReactNode;
   right?: ReactNode;
@@ -14,6 +15,7 @@ export function AppHeader({
   brand,
   brandHref,
   brandLabel = "NODE.DC",
+  fixed = true,
   left,
   center,
   right,
@@ -27,7 +29,7 @@ export function AppHeader({
   );
 
   return (
-    <header className={cn("nodedc-header-shell", className)} {...props}>
+    <header className={cn("nodedc-header-shell", className)} data-fixed={fixed ? "true" : undefined} {...props}>
       <div className="nodedc-header">
         <div className="nodedc-header__left">{brandNode}{left}</div>
         <div className="nodedc-header__center">{center}</div>