Initial Release

Major updates

• rob_traffic_light() can now handle a summary table with or without a "Weight column". rob_summary() still requires a "Weight" column, as it is strongly encouraged that weights be used to create the summary barplot.
• Functions can now handle summary tables with less than the expected number of judgments. For example, for ROB2, a sheet with only "Low" and "Some concerns" would cause the resulting graph to be inverted and mess up the ordering of the legend. This issue is now fixed for both rob_summary() and rob_traffic_light().
• The shapes indicating the risk-of-bias level in rob_traffic_light() have been updated.
  rob_traffic_light() no longer orders studies alphabetically, instead retaining the order from the uploaded CSV.
• The order of the domains in rob_summary() has been corrected to accurately reflect the order of domains in each tool, rather than presenting them in alphabetical order.
• Legends for rob_traffic_light() are now ordered by ascending/descending (depending on the tool) risk of bias.

Minor updates

• CODE_OF_CONDUCT and CONTRIBUTING documents have been added to the GitHub repo.
• A PR template has been added to the GitHub repo.