fix(networks): add export functions

Author: Ansonhkg

packages/networks/src/index.ts

@@ -51,3 +51,6 @@ export type {
 export type { PKPData } from './networks/vNaga/shared/managers/LitChainClient/schemas/shared/PKPDataSchema';
 export type { AuthMethod } from './networks/vNaga/shared/managers/LitChainClient/apis/highLevelApis/PKPPermissionsManager/handlers/getPermissionsContext';
 export type { PkpIdentifierRaw } from './networks/vNaga/shared/managers/LitChainClient/apis/rawContractApis/permissions/utils/resolvePkpTokenId';
+export { getMaxPricesForNodeProduct } from './networks/vNaga/shared/managers/pricing-manager/getMaxPricesForNodeProduct';
+export { getUserMaxPrice } from './networks/vNaga/shared/managers/pricing-manager/getUserMaxPrice';
+export { PRODUCT_IDS } from './networks/vNaga/shared/managers/pricing-manager/constants';