Refactor teal.reporter (part 3)

[donyunardi]

Continuation from #106

• [Research] Automatic Show R Code button creation teal#1534
• [Bug]: saveRDS being used in reporter creates large reports & bookmark folder teal.reporter#352
  • PR: Implement conversion of ggplot → recordedplot to save space in Report and bookmarking teal.reporter#354
• [Documentation] Vignette for new feature teal.reporter#314
  • PR: {teal} module returns a teal_report object that extends from teal_data teal.reporter#331
    • Adds vignettes/teal-report-class.Rmd
• Create methods to support gtsummary outputs teal.reporter#323
  • PR: teal.reporter/#355
• [Vignette] Update adding-support-for-reporting.Rmd vignette in teal to use the new approach
• [Bug]: Downloaded report has incorrect header teal.reporter#357
• Investigate warning message on refactor branch teal.reporter#358
• Update README GIF in teal.reporter to reflect the new design
• [Feature Request]: Code chunks in preview may be collapsible _(with default)_ teal.reporter#359