feat: add ClinicInvitationWebController and related templates for handling clinic invitations

- Implemented ClinicInvitationWebController to manage the invitation process via web.
- Added view and respond methods to handle invitation display and responses.
- Created result.html.twig and view.html.twig templates for rendering invitation results and views.
- Integrated CSRF protection for form submissions.
- Established routes for invitation viewing and responding.

src/ClinicInvitation/Entity/ClinicDoctorInvitation.php

@@ -74,7 +74,7 @@ class ClinicDoctorInvitation
         $this->clinic    = $clinic;
         $this->invitedBy = $invitedBy;
         $this->mobile    = $mobile;
-        $this->token     = bin2hex(random_bytes(16));
+        $this->token     = bin2hex(random_bytes(6));
         $this->invitedAt = time();
         $this->expiresAt = $this->invitedAt + 72 * 3600;
     }
@@ -94,7 +94,7 @@ class ClinicDoctorInvitation
 
     public function refresh(): void
     {
-        $this->token     = bin2hex(random_bytes(16));
+        $this->token     = bin2hex(random_bytes(6));
         $this->tokenUsed = false;
         $this->invitedAt = time();
         $this->expiresAt = $this->invitedAt + 72 * 3600;