Add stammtisch dynamically every 3rd Wed (#15)

* Add stammtisch dynamically every 3rd Wed

* Remove Cardlayout

Author: kuzdogan

app/impressum/page.tsx

@@ -21,6 +21,47 @@ export default function Impressum() {
           </a>{' '}
           in Berlin. Drop in and say hi!
         </p>
+        <div>
+          <p>
+            Next Stammtisch:
+            {(() => {
+              const today = new Date()
+              const currentMonth = today.getMonth()
+              const currentYear = today.getFullYear()
+
+              // Create date object for 1st of current month
+              let date = new Date(currentYear, currentMonth, 1)
+
+              // Find first Wednesday
+              while (date.getDay() !== 3) {
+                date.setDate(date.getDate() + 1)
+              }
+
+              // Add 2 weeks to get to 3rd Wednesday
+              date.setDate(date.getDate() + 14)
+
+              // If 3rd Wednesday already passed this month, move to next month
+              if (date < today) {
+                date = new Date(currentYear, currentMonth + 1, 1)
+                while (date.getDay() !== 3) {
+                  date.setDate(date.getDate() + 1)
+                }
+                date.setDate(date.getDate() + 14)
+              }
+
+              return (
+                <span className="font-medium">
+                  {date.toLocaleDateString('en-US', {
+                    weekday: 'long',
+                    year: 'numeric',
+                    month: 'long',
+                    day: 'numeric',
+                  })}
+                </span>
+              )
+            })()}
+          </p>
+        </div>
         <p>
           We are coordinating on Matrix:
           <a