feat: expose TransactionQueue and PolymeshTransaction types

They can be imported from `@polymathnetwork/polymesh-sdk/types`

src/base/types.ts

@@ -0,0 +1,5 @@
+import { PolymeshTransaction as PolymeshTransactionClass } from './PolymeshTransaction';
+import { TransactionQueue as TransactionQueueClass } from './TransactionQueue';
+
+export type PolymeshTransaction = InstanceType<typeof PolymeshTransactionClass>;
+export type TransactionQueue = InstanceType<typeof TransactionQueueClass>;

src/types/index.ts

@@ -372,3 +372,4 @@ export enum LinkType {
 }
 
 export * from '~/api/entities/types';
+export * from '~/base/types';