Release v0.2.0

Added

• compile KCPs from .tgz archives with files at root
• package command to create .tgz archives for valid KCPs
• files function to the global for compiling files with Jinja like engine
• --only and --except parameters on compile to control which objects should be yielded
• values.json file on the KCP structure for defaults
• include lib path for package aliasing - inspired by tanka

Changed

• stop using TLAs and use _ global with the previous TLAs as properties
• rename crates to kct_$crate to enable publishing on [crates.io][https://crates.io]
• remove main field from kcp.json in favor of static templates/main.jsonnet