Fixed Docker build

v2.1

fixed build - yarn is included now

Edit mode & share link

#9 Edit meta data via UI
#31 Show share link with optional exact time via deep link
#7 Auto-build a docker image

Rewrite to Preact + Deep linking

• #13 replaced jQuery and Bootstrap with new Preact components and preact-cli
• #8 implemented deep linking of videos
• #8 implemented deep linking of search queries
• #4 hide folders if they don't contain search results
• #2 fixed tooltip positioning
• #21 added online demo on GitHub Pages
• #13 implemented new (fuzzy) search
• auto-linking of URLs in video description
• minimal design changes