OpenArm KER 0.3.0

What's Changed

• openarm_can is not used right now by @k1000dai in #10
• Update documentation link in README by @k1000dai in #11
• modify: m5 to pc logic by @tokirobot in #13

New Contributors

• @k1000dai made their first contribution in #10

Full Changelog: 0.2.0...0.3.0