v0.6.5

v0.6.4...v0.6.5

Introduces hof fmt to format code, in a beta state

• used during code gen, because we need this for diff3 correctness
• subcommand for formatting arbitrary files and managing containers
• adds prettier and black formatters to expand languages

Changes:

• update a number of version used during init of various things (mods & gens)
• lookup template helper now supports OpenAPI refs #/path/to/thing
• fix template path resolving when in gen is run in a subdir
• fixes issue when same outdir is used, with the same gen, from different locations
• shadow dir moved to be next to cue.mod, so that one can gen from any directory
• shadow dir updated to reflect path from CUE mod root output, use this as the path