Merge pull request #10 from MerkulovDaniil/fix/copy-button-scroll

fix: copy button stays fixed when code block scrolls horizontally

fix bug of not parsing child page if they are inside some structure like list

Update markdown_parser.py

fix bug with miniicon of child page

reduce margins before headers

fix search

Fix arg parsing

Added optional static search with fuse.js

fix copy button

Add copy button to the code blocks

add code captions

fix argparse boolean vars

fix: colon bug

add: local mp4 video player support