Feature version of v1.0.0.

Added features

• Video & audio inclusions now supported
  • Video is tested with .mp4 only at the moment
  • Audio is tested with .wav and .mp3

Bugfixes

• Links in included notes do not work or show up as external fixed
• File links in dirtree note do not work fixed
• Spaces in front of headers allowed by Obsidian but not by ObsidianHtml fixed