v0.12.0: HintsMasks for protocols, ShapeTags rendered on all shapes

tl;dr

• HintMasks are now generated for smithy protocol definitions. This shows which hints are applicable to a given protocol. (#70)
• ShapeTags are now rendered for all shape types
• Uri encoding is now deferred to interpreters (fixes issue with double URI encoding #74)
• Doc/microsite updates

What's Changed

• Fix microsite build by @kubukoz in #65
• fix versioning for microsite snapshots by @lewisjkl in #66
• add quickstart guide to docs by @lewisjkl in #62
• Add nix shell by @kubukoz in #67
• allow site publish for snapshots by @lewisjkl in #69
• Update spelling in docs by @msinton in #73
• Update edit docs path by @lewisjkl in #76
• Update http4s-circe, http4s-client, ... to 0.22.9 by @scala-steward in #75
• Leave URI encoding to interpreters by @kubukoz in #74
• Unify schematic struct methods by @Baccata in #77
• Fix conflicting changes by @Baccata in #78
• Update jsoniter-scala-core to 2.12.2 by @scala-steward in #79
• Add yourkit to readme by @lewisjkl in #81
• add hint mask construct by @lewisjkl in #70
• Update jsoniter-scala-core to 2.12.3 by @scala-steward in #82
• smithy4s.Hints.Key => smithy4s.ShapeTag by @Baccata in #85
• Update http4s-circe, http4s-client, ... to 0.22.10 by @scala-steward in #87
• add support for discriminated union conversion to openapi by @lewisjkl in #86
• Render ShapeTags for everything by @Baccata in #89

New Contributors

• @msinton made their first contribution in #73

Full Changelog: v0.11.3...v0.12.0