Create structure for full con-duct suite

[asmacdo]

Fixes #122

$  con-duct pp Z_info.json
{'command': 'ls',
 'duct_version': '0.2.0',
 'env': {},
 'execution_summary': {'average_pcpu': None,
                       'average_pmem': None,
                       'average_rss': None,
                       'average_vsz': None,
                       'command': 'ls',
                       'exit_code': 0,
                       'logs_prefix': 'Z_',
                       'num_reports': 0,
                       'num_samples': 0,
                       'peak_pcpu': None,
                       'peak_pmem': None,
                       'peak_rss': None,
                       'peak_vsz': None,
                       'wall_clock_time': 0.0017352104187011719},
 'gpu': None,
 'system': {'cpu_total': 20,
            'hostname': 'fancy',
            'memory_total': 33336758272,
            'uid': 'austin'}}

[codecov]

Codecov Report

Attention: Patch coverage is 70.96774% with 9 lines in your changes missing coverage. Please review.

Project coverage is 94.17%. Comparing base (6df2656) to head (00fd25e).
Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
src/con_duct/suite.py	70.96%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #164      +/-   ##
==========================================
- Coverage   95.52%   94.17%   -1.35%     
==========================================
  Files           1        2       +1     
  Lines         536      567      +31     
  Branches       84       88       +4     
==========================================
+ Hits          512      534      +22     
- Misses         12       21       +9     
  Partials       12       12              

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[yarikoptic]

I thought it would make sense to just use json.dumps with indent, but ok for now. Will see how it behaves in practice.

Let's get to more interesting commands ;-)