should have plus-1: move words between new list and remembered list

[AlinaTaoRao]

plus-1. move words between new list and remembered list

a user can move words between new list and remembered list

HTML

• one div element with the id remembered-list as container.
• one remembered button aside new words list
• one overlooked button aside remembered words list
• one checkbox aside each word.

CSS

• styling to position the two lists correctly on the screen

Listeners

• a listener connected to the checkbox, I'll try a "click" event first

Handlers

• one handler that move the word list and re-render the list in the UI

Utils

• none.

Components

• none. I can reuse the component from add a word to render word list.

• this will be developed on the branch plus-1-feature-move.