The `$PWD` environment variable used by starship is not updated on startup by `elvish`. `elvish` also provides a separate `$pwd` variable that does get updated and seems to be be a better indicator for the current logical path.
* feat: add support for elvish shell
* improve doc
* elvish 0.15 is out
* fix example init
* update systax for 0.15 stable
* udpate second init example too
* remove warning from swift module
* add warning to status module docs
* prefix elvish version with v