What's Changed
* Make `envsubst` syntax default
* Remove `--envsubst` CLI option
* Research syntaxes `compose243` and `envsubst`
* Add tests for syntaxes `compose243` and `envsubst`
* Add documentation template
* Update dev tasks
by makukha in 6
**Full Changelog**: https://github.com/makukha/vsub/compare/v0.1.0...v0.2.0