v0.2.0 - Constraints support

What's Changed

• Fix local development to rebuild dist on change and use local wasm file by @vincentfretin in #26
• Update the installation instructions by @vincentfretin in #27
• Add constraint support for Revolute and Prismatic joints, fix D6 constraints, add projectionTolerance by @vincentfretin in #25 and #29
• Use degrees everywhere by @vincentfretin in #30

See spring and constraints examples for Revolute (door), Prismatic (slider), and D6 (spring) constraints.

Full Changelog: v0.1.3...v0.2.0