feat: add frontend

frontend/src/components/nav-main.tsx

@@ -0,0 +1,56 @@
+import { IconCirclePlusFilled, IconMail, type Icon } from "@tabler/icons-react"
+
+import { Button } from "@/components/ui/button"
+import {
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+} from "@/components/ui/sidebar"
+
+export function NavMain({
+  items,
+}: {
+  items: {
+    title: string
+    url: string
+    icon?: Icon
+  }[]
+}) {
+  return (
+    <SidebarGroup>
+      <SidebarGroupContent className="flex flex-col gap-2">
+        <SidebarMenu>
+          <SidebarMenuItem className="flex items-center gap-2">
+            <SidebarMenuButton
+              tooltip="Quick Create"
+              className="bg-primary text-primary-foreground hover:bg-primary/90 hover:text-primary-foreground active:bg-primary/90 active:text-primary-foreground min-w-8 duration-200 ease-linear"
+            >
+              <IconCirclePlusFilled />
+              <span>Quick Create</span>
+            </SidebarMenuButton>
+            <Button
+              size="icon"
+              className="size-8 group-data-[collapsible=icon]:opacity-0"
+              variant="outline"
+            >
+              <IconMail />
+              <span className="sr-only">Inbox</span>
+            </Button>
+          </SidebarMenuItem>
+        </SidebarMenu>
+        <SidebarMenu>
+          {items.map((item) => (
+            <SidebarMenuItem key={item.title}>
+              <SidebarMenuButton tooltip={item.title}>
+                {item.icon && <item.icon />}
+                <span>{item.title}</span>
+              </SidebarMenuButton>
+            </SidebarMenuItem>
+          ))}
+        </SidebarMenu>
+      </SidebarGroupContent>
+    </SidebarGroup>
+  )
+}