* Refactor usage of is_perf_true to be a parameter passed around
* Move repl loop and command/script execution to nu_cli
* Move config setup out of nu_cli
* Update config_files.rs
* Update main.rs
Co-authored-by: JT <547158+jntrnr@users.noreply.github.com>
* Handle string->value env conv. with env. var.
Also adds the environment variable for Path/PATH and removes it from
config.
* Simplify getting the string->value conversion
* Refactor env conversion into its own function
* Use env var for to_string conversion; Remove conf
* Fix indentation in default config
