v0.39.5

Requires Deno v0.39.0 https://github.com/denoland/deno/releases/tag/v0.39.0

• ci: add unit tests to ci
• fix: add try-catch when serving favicon
• improvement: update doc block for Drash.Interfaces.ServerConfigs
• improvement: change [drash] debug message to [syslog]
• improvement: add favicon to example app tests