fix: export baremethod in internal/arc4 namespace to fix not implemented error

Author: boblat

src/internal/arc4.ts

@@ -1,2 +1,3 @@
 export * from '@algorandfoundation/algorand-typescript/arc4'
-export { abimethod, Contract, methodSelector } from '../impl/contract'
+export { abimethod, baremethod, Contract, methodSelector } from '../impl/contract'
+