feat: add better-auth api-key plugin, import endpoint, and API key UI

lib/auth-client.ts

@@ -1,6 +1,7 @@
 import { createAuthClient } from 'better-auth/react'
 import { adminClient, emailOTPClient, lastLoginMethodClient } from 'better-auth/client/plugins'
 import { passkeyClient } from '@better-auth/passkey/client'
+import { apiKeyClient } from '@better-auth/api-key/client'
 
 export const authClient = createAuthClient({
     baseURL: process.env.NEXT_PUBLIC_SITE_URL || "https://localhost:3000",
@@ -8,7 +9,8 @@ export const authClient = createAuthClient({
         emailOTPClient(),
         passkeyClient(),
         lastLoginMethodClient(),
-        adminClient()
+        adminClient(),
+        apiKeyClient(),
     ]
 })