Add task creation form.

frontend/app/routes/task.new.tsx

@@ -0,0 +1,20 @@
+import type { Route } from './+types/task.new'
+import { Container, Box } from '@mui/material'
+import { TaskForm } from '~/components/TaskForm'
+
+export function meta(_: Route.MetaArgs) {
+  return [
+    { title: "Captain's Log - New Task" },
+    { name: 'description', content: 'Create a new task' },
+  ]
+}
+
+export default function NewTask() {
+  return (
+    <Container maxWidth="md">
+      <Box sx={{ py: 4 }}>
+        <TaskForm />
+      </Box>
+    </Container>
+  )
+}