refactor: Update fetchEvents function to use public endpoint

- Change fetchEvents to access the new public endpoint for retrieving events without authentication.
- Remove the allWallets parameter and the API key from the request headers for simplified access.

src/lib/api/events.ts

@@ -10,14 +10,14 @@ interface ApiError {
   detail: string | Array<{ loc: [string, number]; msg: string; type: string }>
 }
 
-export async function fetchEvents(allWallets = true): Promise<Event[]> {
+export async function fetchEvents(): Promise<Event[]> {
   try {
+    // Use the new public endpoint that allows access to all events without authentication
     const response = await fetch(
-      `${API_BASE_URL}/events/api/v1/events?all_wallets=${allWallets}`,
+      `${API_BASE_URL}/events/api/v1/events/public`,
       {
         headers: {
           'accept': 'application/json',
-          'X-API-KEY': API_KEY,
         },
       }
     )