feat: Add save button

admin-frontend/src/app/(pages)/workflows/designer/page.tsx

@@ -21,6 +21,7 @@ import { graphToWorkflow, workflowToGraph } from "@/lib/api/workflow";
 import { workflowSchema } from "@/lib/schema/workflow";
 import { Textarea } from "@/components/ui/textarea";
 import WorkflowTitle from "@/components/workflow/workflow-title";
+import { SaveIcon } from "lucide-react";
 
 const initialNodes: GraphState[] = [
   {
@@ -171,8 +172,12 @@ function InnerProvider() {
 
   return (
     <div className="h-full grid grid-cols-[1fr_3fr] grid-rows-[auto_1fr]">
-      <div className="col-span-2 border-b dark:border-primary-500/30 border-primary-500/20">
+      <div className="col-span-2 border-b dark:border-primary-500/30 border-primary-500/20 flex items-center gap-2">
         <WorkflowTitle value="New workflow" onValueChange={alert} />
+        <Button variant="ghost" title="Save">
+          <SaveIcon size="1.2rem" />
+        </Button>
+        <span className="opacity-50 text-sm">Unsaved</span>
       </div>
       <div className="p-2 space-y-2 flex flex-col">
         <Textarea