18f's open source guide

"Documentation is highly valued, frequently overlooked, and a means for establishing inclusive and accessible communities," the GitHub team notes in their brand-new Open Source Survey. Based on 5,500 responses, the survey reveals that 93% of respondents say "incomplete or outdated documentation is a pervasive problem." However, only "60% of contributors rarely or never contribute to documentation." These stats won't surprise anyone who has spent more than a few minutes clicking through GitHub repositories. How many times have you clicked on a GitHub repo, skimmed the README, and thought: "Sounds interesting, but what does it actually do?"...