[X] Todo list [X] Make a first version read-only [X] Allow plain text format import [X] plain bracket-style format parsing [X] CRUD [X] Read todo from body [X] Create [X] Create plain todolist from text [X] Insert todoitem only [X] Insert on top [X] Insert under parent [X] Update [X] Update status [X] Update simple [X] Update tree (cascade done,todo and delete, not pending) [X] Cascade [X] Do not cascade pending [X] Update title [X] Delete [X] Delete item [X] Delete tree on item deletion [X] Refactor depth dom node [!] Show visual feedback on about-to-be-deleted tree