move subscription to livewire + show manage subscription button for people already subscribed once

app/Http/Controllers/Controller.php

@@ -46,15 +46,6 @@ class Controller extends BaseController
         }
         return redirect()->route('login')->with('error', 'Invalid credentials.');
     }
-    public function subscription()
-    {
-        if (!isCloud()) {
-            abort(404);
-        }
-        return view('subscription.index', [
-            'settings' => InstanceSettings::get(),
-        ]);
-    }
 
     public function license()
     {

app/Http/Livewire/Subscription/Show.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Livewire\Subscription;
+
+use App\Models\InstanceSettings;
+use Livewire\Component;
+
+class Show extends Component
+{
+    public InstanceSettings $settings;
+    public bool $alreadySubscribed = false;
+    public function mount() {
+        if (!isCloud()) {
+            return redirect('/');
+        }
+        $this->settings = InstanceSettings::get();
+        $this->alreadySubscribed = currentTeam()->subscription()->exists();
+    }
+    public function stripeCustomerPortal() {
+        $session = getStripeCustomerPortalSession(currentTeam());
+        if (is_null($session)) {
+            return;
+        }
+        return redirect($session->url);
+    }
+    public function render()
+    {
+        return view('livewire.subscription.show')->layout('layouts.subscription');
+    }
+}