build initial structure of Impress.js
add outline for slides personal finance
simplify default page for slides
add script for slide personal finance
remove impress style for its specific element
update slides layout in personal finance
resort order of slides
merge two slides with rotate-z
add id for each slide
update speech script and slides on personal finance
update script
emit slide class for avoding its border
decrease opacity of souranding slides of current one
update font family