Mastering issues on Github

[Czarrrna]

get through:

1. mastering issues
2. mastering markdown

task to do:

• [x] make an issue, use markdown:
  • [x] bold/italic
  • [x] order list
  • [x] link
  • [x] blockquote
  • [x] image
  • [x] task list
  • [ ] table
• [x] use labels
• [x] use milestones
• [x] set asignee
• [x] set notifications
• [x] mention someone
• [ ] reference two issues
• [ ] reference two issues from different repositories
• [x] reference issue directly from commit