Fix sharing event (#98)

Author: crudh

src/api/klipy.ts

@@ -98,6 +98,9 @@ export const shareEvent = async (slug: string, searchTerm: string) => {
 
   const response = await fetch(url, {
     method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
     body: JSON.stringify(body),
   });
   if (!response.ok)