Release v0.6.0

What's Changed

• feat: implement three-stage rendering pipeline and text collision avoidance by @filmil in #27
• feat: route shortest connections first and prevent straight segment overlaps by @filmil in #28
• refactor: convert routing hints and pin positions to typed enums by @filmil in #29
• feat: hide port and block names on small elements by default and support block hints by @filmil in #30
• feat(third_party): extract UG474 diagram renderings into third_party/xilinx by @filmil in #31
• feat(renderer): implement text and label alignment and multi-line parameters by @filmil in #32
• feat: migrate to netlistsvg for diagram layout and rendering by @filmil in #33
• ci: exclude runfiles and large files from deploy_docs by @filmil in #34
• fix: correctly assign directions to INPUT_PIN and OUTPUT_PIN blocks by @filmil in #35
• feat: map all netlistsvg skin components to Hodos kinds by @filmil in #36
• feat: implement advanced text, arrows, and feedback routing by @filmil in #37
• feat: crop xilinx diagrams to keep text and update documentation requirement by @filmil in #39
• chore: add tasks to replicate Xilinx figure renderings by @filmil in #41

Full Changelog: v0.4.0...v0.6.0