New and improved CLI, support of css_files  with html_str .
What's Changed
- Update html2image.py by @MarkusEmmm in #176
 - feat: added the ability for css_files to be used on html_str when using screenshot function. by @Wacky404 in #181
 - Develop by @vgalin in #184
 
New Contributors
- @MarkusEmmm made their first contribution in #176
 - @Wacky404 made their first contribution in #181
 
Full Changelog: 2.0.6.2...2.0.7