feat: VivesPOS landing on Winter CMS 1.2 — theme + plugin + Dockerfile

- Base: wintercms/winter branch 1.2 (full framework)
- Theme vivespos: Canvas 7 + Bootstrap 5 CDN, custom CSS
- Layout: deferred GTM/GA4 tracking, JSON-LD SoftwareApplication
- Partials: hero (offline-first), features, modes (offline/nube toggle),
  screenshots, pricing (3 planes), comparison, FAQ, CTA
- Plugin VivesPOS.Site with ContactForm
- Dockerfile: PHP 8.2 Apache, port 80, healthcheck
- Added winter/wn-pages, blog, sitemap, seo plugins
- Active theme set to vivespos

modules/system/lang/sv/client.php

@@ -0,0 +1,54 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Client-side Language Lines
+    |--------------------------------------------------------------------------
+    |
+    | These are messages made available to the client browser via JavaScript.
+    | To compile this file run: php artisan winter:util compile lang
+    |
+    */
+
+    'markdowneditor' => [
+        'formatting' => 'Formatering',
+        'quote' => 'Citat',
+        'code' => 'Kod',
+        'header1' => 'Rubrik 1',
+        'header2' => 'Rubrik 2',
+        'header3' => 'Rubrik 3',
+        'header4' => 'Rubrik 4',
+        'header5' => 'Rubrik 5',
+        'header6' => 'Rubrik 6',
+        'bold' => 'Fet',
+        'italic' => 'Kursiv',
+        'unorderedlist' => 'Oordnad lista',
+        'orderedlist' => 'Ordnad lista',
+        'video' => 'Video',
+        'image' => 'Bild',
+        'link' => 'Länk',
+        'horizontalrule' => 'Infoga horisontiell linje',
+        'fullscreen' => 'Fullskärm',
+        'preview' => 'Förhandsgranska',
+    ],
+
+    'mediamanager' => [
+        'insert_link' => "Infoga medialänk",
+        'insert_image' => "Infoga bild",
+        'insert_video' => "Infoga video",
+        'insert_audio' => "Infoga ljud",
+        'invalid_file_empty_insert' => "Vänligen välj en fil att infoga till länken.",
+        'invalid_file_single_insert' => "Vänligen välj en enskild fil.",
+        'invalid_image_empty_insert' => "Vänligen välj bild(er) att infoga.",
+        'invalid_video_empty_insert' => "Vänligen välj en video att infoga.",
+        'invalid_audio_empty_insert' => "Vänligen välj en ljudfil att infoga.",
+    ],
+
+    'alert' => [
+        'confirm_button_text' => 'OK',
+        'cancel_button_text' => 'Avbryt',
+    ],
+
+];