Lazily instantiate Cloudflare client

app/src/main/java/eu/kanade/tachiyomi/network/NetworkHelper.kt

@@ -61,8 +61,10 @@ class NetworkHelper(context: Context) {
         builder.build()
     }
 
-    val cloudflareClient = client.newBuilder()
+    val cloudflareClient by lazy {
+        client.newBuilder()
             .addInterceptor(UserAgentInterceptor())
             .addInterceptor(CloudflareInterceptor(context))
             .build()
+    }
 }