v0.3.1 - Pin ha-mqtt-discoverable to allow JPP to continue to work with 32 bit systems

What's Changed

• pin ha-mqtt-discoverable to 0.13.1 by @snicker in #76
• fixes #70 by @snicker in #71
• alternative option to redirect juicebox traffic by @ivanfmartinez in #75

Full Changelog: v0.3.0...v0.3.1