v1.3.1: Update intervals

Ist just a minor change: The new minimum interval is now 5 seconds. Before it was 30s.

The settings can be changed for units that are already integrated by reconfiguring them via the context menu for the unit.

What's Changed

• changed intervals by @moehrem in #104
• updated version in manifest by @moehrem in #105

Full Changelog: v1.3.0...v1.3.1