hub : feat: support limit and offset in list transactions (#13)

* feat: support limit and offset in list transactions

* chore: add transaction hint in checklist

* chore: fix transactions and channels length check syntax

* chore: change transactions default limit to 100

* fix: haschannel

https://github.com/getAlby/hub/commit/e401a1eee8be95961a54ce37d5a53d3d4b705cad