feat: add short descriptions to product and extras displays

- Included kurzBeschreibung in the GrowTentKonfigurator for products, lamps, and ventilation components to enhance user information.
- Updated ExtrasSelector to display kurzBeschreibung for each extra, improving clarity and user experience.

src/components/configurator/ExtrasSelector.js

@@ -116,6 +116,10 @@ class ExtrasSelector extends Component {
             {extra.name}
           </Typography>
 
+          <Typography gutterBottom>
+            {extra.kurzBeschreibung}
+          </Typography>
+
           {/* Price with VAT - Same as other sections */}
           <Typography variant="h6" sx={{ 
             color: '#2e7d32', 

src/pages/GrowTentKonfigurator.js

@@ -671,6 +671,9 @@ class GrowTentKonfigurator extends Component {
                   <Typography variant="h6" gutterBottom sx={{ fontWeight: 'bold' }}>
 {product.name}
                   </Typography>
+                  <Typography gutterBottom>
+{product.kurzBeschreibung}
+                  </Typography>
 
                   {/* Price with VAT - Same as Product.js */}
                   <Typography variant="h6" sx={{ 
@@ -797,6 +800,9 @@ class GrowTentKonfigurator extends Component {
                   <Typography variant="h6" gutterBottom sx={{ fontWeight: 'bold' }}>
                     {lamp.name}
                   </Typography>
+                  <Typography gutterBottom>
+                    {lamp.kurzBeschreibung}
+                  </Typography>
 
                   {/* Price with VAT */}
                   <Typography variant="h6" sx={{ 
@@ -961,6 +967,9 @@ class GrowTentKonfigurator extends Component {
                   }}>
                     {ventilation.name}
                   </Typography>
+                  <Typography gutterBottom>
+                    {ventilation.kurzBeschreibung}
+                  </Typography>
 
                   {/* Price with VAT */}
                   <Typography variant="h6" sx={{