Documentation update needed

[mdogucu]

• The push_to_github() function uses the argument create_issues but the documentation uses the argument push_issues.
• the description of example_feedback_path is currently a bit confusing, where it says "These file types (except the first two) will be knitted to: Markdown, Word, html, and pdf documents respectively" but the first two (i.e. Rmd and qmd) are the only ones tat can be knitted (rendered)