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/classes/VersionYamlProcessor.php

@@ -0,0 +1,67 @@
+<?php namespace System\Classes;
+
+use Winter\Storm\Parse\Processor\YamlProcessor;
+
+/**
+ * "version.yaml" pre-processor class.
+ *
+ * Post-v3.x versions of the Symonfy/Yaml package use more recent versions of YAML spec, which breaks common
+ * implementations of our version file format. To maintain compatibility, this class will pre-process YAML
+ * contents from these files to work with Symfony/Yaml 4.0+.
+ *
+ * @author Winter CMS
+ */
+class VersionYamlProcessor extends YamlProcessor
+{
+    /**
+     * @inheritDoc
+     */
+    public function preprocess($text)
+    {
+        $lines = preg_split('/[\n\r]+/', $text, -1, PREG_SPLIT_NO_EMPTY);
+
+        foreach ($lines as $num => &$line) {
+            // Surround array keys with quotes if not already
+            $line = preg_replace_callback('/^\s*([\'"]{0}[^\'"\n\r\-:]+[\'"]{0})\s*:/m', function ($matches) {
+                return '"' . trim($matches[1]) . '":';
+            }, rtrim($line));
+
+            // Add quotes around any unquoted text following an array key
+            // specifically to ensure usage of !!! in unquoted comments does not fail
+            $line = preg_replace_callback('/^\s*([^\n\r\-:]+)\s*: +(?![\'"\s])(.*)/m', function ($matches) {
+                $key = $matches[1];
+                $value = str_replace('"', '\\"', $matches[2]);
+                return $key . ': "' . $value . '"';
+            }, $line);
+
+            // If this line is the continuance of a multi-line string, remove the quote from the previous line and
+            // continue the quote
+            if (
+                preg_match('/^(?!\s*(-|(.*?):\s*))([^\n\r]+)([^"]$)/m', $line)
+                && substr($lines[$num - 1], -1) === '"'
+            ) {
+                $lines[$num - 1] = substr($lines[$num - 1], 0, -1);
+                $line .= '"';
+            }
+
+            // Add quotes around any unquoted array items
+            $line = preg_replace_callback('/^(\s*-\s*)(?![\'" ])(.*)/m', function ($matches) {
+                $array = $matches[1];
+                $value = str_replace('"', '\\"', $matches[2]);
+                return $array . '"' . $value . '"';
+            }, $line);
+        }
+
+        $processed = implode("\n", $lines);
+
+        return $processed;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function process($parsed)
+    {
+        return $parsed;
+    }
+}