feat(contact): Add hCaptcha integration, Discord alert for contact

- Added hCaptcha validation to the contact form.
- Integrated hCaptcha configuration in the application.
- Implemented Discord alerts for new contact submissions with detailed content.

app/Http/Controllers/ContactSubmissionController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers;
 
 use App\Http\Requests\ContactSubmissionRequest;
 use App\Models\ContactSubmission;
+use Spatie\DiscordAlerts\Facades\DiscordAlert;
 
 class ContactSubmissionController extends Controller
 {
@@ -16,6 +17,20 @@ class ContactSubmissionController extends Controller
     {
         $contactSubmission = ContactSubmission::create($request->validated());
 
+        $descriptionContent = "**Name**: {$contactSubmission->name}\n\n**Email**: {$contactSubmission->email}\n\n**Category**: {$contactSubmission->category->humanReadable()}\n\n**Subject**: {$contactSubmission->subject}\n\n**Message**: {$contactSubmission->message}";
+
+        if ($contactSubmission->discord) {
+            $descriptionContent .= "\n\n\n**Discord**: {$contactSubmission->discord}";
+        }
+
+        DiscordAlert::message("There is a new contact submission from {$contactSubmission->name} ({$contactSubmission->email}).", [
+            [
+                'title' => "{$contactSubmission->category->humanReadable()} - {$contactSubmission->subject}",
+                'description' => $descriptionContent,
+                'color' => '#ff8a4c',
+            ]
+        ]);
+
         return redirect()->route('contact.index')->with('success', 'Your message has been sent!');
     }
 }

app/Http/Requests/ContactSubmissionRequest.php

@@ -11,10 +11,11 @@ class ContactSubmissionRequest extends FormRequest
         return [
             'name'     => ['required', 'max:254'],
             'email'    => ['required', 'email', 'max:254'],
-            'discord'  => ['nullable', 'min:2', 'max:34'],
+            'discord'  => ['nullable', 'min:2', 'max:35'],
             'category' => ['required', 'in:question,advertising,bug_report,feedback,other'],
             'subject'  => ['required', 'max:254'],
             'message'  => ['required', 'unique:contact_submissions', 'max:3500'],
+            'h-captcha-response' => 'required|HCaptcha'
         ];
     }
 
@@ -22,4 +23,14 @@ class ContactSubmissionRequest extends FormRequest
     {
         return true;
     }
+
+    public function messages(): array
+    {
+        return [
+            'h-captcha-response.required' => 'Please verify that you are not a robot.',
+            'h-captcha-response.h_captcha' => 'Failed to validate captcha.',
+            'category.in' => 'Invalid category.',
+            'message.unique' => 'You have already submitted this message.',
+        ];
+    }
 }