Update stable version in repo from 0.1.0 to 0.3.1

[GermanBluefox]

Think about update stable version to 0.3.1

Version: stable=0.1.0 (52 days old) => latest=0.3.1 (15 days old)
Installs: stable=162 (80.2%), latest=31 (15.35%), total=202
Click to edit

[rg-engineering]

PR created