doc(shortcuts): addition of left TOC, fix levels, change of titles
doc(shortcuts): addition of left TOC, fix levels, change of titles

ccw-ide/ccw,noncom/ccw,laurentpetit/ccw,ccw-ide/ccw,michelangelo13/ccw,noncom/ccw,laurentpetit/ccw,laurentpetit/ccw,michelangelo13/ccw,ccw-ide/ccw,michelangelo13/ccw,noncom/ccw