Frontend improvements

Adding new list of doc page and better responsiveness

0.7.0

• Adding TOC settings
• Adding version in title

0.6.1

Fix: toc is similar to notion now.

0.6.0

• Adding support for TableOfContent component

0.5.1

Fix : slide title too small
Fix : table not displayed when no header column.
Feat : add HideFirst property to hide the first slide.

0.5.0

First real release version.

• Adding slideSettings to database slides
  • handle hideTitle, hideIcon and noBackgroundShadow
• Adding user guide on /how-to