Update footer contact information and refactor button component template for cleaner syntax

app/components/CommonFooter.vue

@@ -41,7 +41,7 @@ const currentYear = new Date().getFullYear()
         <!-- Contact Column -->
         <div class="footer-section">
           <h3>Kontakt</h3>
-          <p>experimenta gGmbH<br />Kranenstraße 14<br />74072 Heilbronn</p>
+          <p>experimenta gGmbH<br />Experimenta-Platz<br />74072 Heilbronn</p>
           <p>
             <a href="mailto:info@experimenta.science" class="footer-link">info@experimenta.science</a>
           </p>

app/components/ui/button/Button.vue

@@ -18,11 +18,7 @@ const props = withDefaults(defineProps<Props>(), {
 </script>
 
 <template>
-  <Primitive
+  <Primitive :as="as" :as-child="asChild" :class="cn(buttonVariants({ variant, size }), props.class)">
-    :as="as"
-    :as-child="asChild"
-    :class="cn(buttonVariants({ variant, size }), props.class)"
-  >
     <slot />
   </Primitive>
-</template>
+</template>