feat(playground): add submit button to the editor interface with icon

src/app/playground/page.tsx

@@ -1,6 +1,8 @@
 "use client";
 
+import { Send } from "lucide-react";
 import * as monaco from "monaco-editor";
+import { Button } from "@/components/ui/button";
 import { useEffect, useRef, useState } from "react";
 import { Editor, loader } from "@monaco-editor/react";
 import { MonacoLanguageClient } from "monaco-languageclient";
@@ -98,6 +100,7 @@ export default function PlaygroundPage() {
 
   return (
     <div className="h-full flex flex-col">
+      <div className="flex items-center justify-between">
         <Tabs defaultValue={language as string}>
           <ScrollArea>
             <TabsList className="m-3">
@@ -146,6 +149,18 @@ export default function PlaygroundPage() {
             <ScrollBar orientation="horizontal" />
           </ScrollArea>
         </Tabs>
+        <div className="m-3">
+          <Button variant="outline">
+            Submit
+            <Send
+              className="-me-1 ms-2 opacity-60"
+              size={16}
+              strokeWidth={2}
+              aria-hidden="true"
+            />
+          </Button>
+        </div>
+      </div>
       <Editor
         theme="vs-dark"
         path={file.name}