Bump version to 0.6.0

Update changelog for v0.5.0

Bump version to 0.4.5

Fix crates.io publish order: add missing crates (hx-compiler, hx-bhc),
reorder by dependency levels, increase delay to 60s for index propagation.

Bump version to 0.4.4

Add version numbers to workspace crate dependencies to fix crates.io publishing.

Bump version to 0.4.3

Bump version to 0.4.2

Fix hx add breaking cabal file, add mise/asdf plugin

- Fix add_dependency to handle both leading and trailing comma styles
- The hx init template uses trailing comma style, but add_dependency
  was always inserting leading comma style, causing invalid cabal syntax
- Add comprehensive tests for both comma styles
- Add GETTING_STARTED.md guide
- Add asdf-hx plugin in contrib/ for mise/asdf integration
- Bump version to 0.4.1

v0.4.0: BHC compiler backend integration

v0.3.6: Stackage CLI and cross-compilation enhancements

chore: bump version to 0.3.5