Eleventy v3.1.2-beta.3

Installation: npm install @11ty/eleventy@beta --save-exact
Issue Milestone: https://github.com/11ty/eleventy/milestone/50?closed=1
Commit log (from last stable): v3.1.1...v3.1.2-beta.3

• Bug Fix: Server cache issue with newly created directory data file not picked up during --watch or --serve (on subsequent builds) #3569
• Bug Fix: Saving your Configuration file may keep the process open after ⌘+C or CTRL+C #3873
• Bug Fix: Incremental builds may result in templateRender has not yet initialized error after Configuration reset #3870