for tips to always be fuctional.

+ feat: more aliases:
  + commit
  + reset
  + remote

fix: script nargs($#) NOT updated with `set -- new args`!

+ FEAT: All messages explain how to re-run with effecting changes.
+ REFACT: x3 utility functions emulating GnuMake.
+ refact: split sub-actions into separate ones,
  now that checks are cheaper.

* feat: provide help-msg if --help/-h given anywhere in args.
* refact: simplify help-msg formatting in one cmd.

with conda (de)activation- scripts, to pick the actual var values.

when it is overridden by `git config vars set PATH`
since this command is run BEFORE env has been activated,
and the PATH is still the pre-activation one.

* feat: put our path 1st in env PYTHON/PATHs.

so as to reload terminal-session with all RC-files updated,
before creating conda-env
(eg `~/.condarc` to speedup things).

put conda_init last, the lat one to execute on the 1st run.

read https://setuptools.pypa.io/en/latest/userguide/declarative_config.html#using-a-src-layout