fix(core-snapshots-cli): require network parameter to be passed

[faustbrian]

Proposed changes

Require the network parameter to be passed in and rename the npm bin to avoid name collisions.

Types of changes

• Bugfix (non-breaking change which fixes an issue)

Checklist

• I have read the CONTRIBUTING documentation
• Lint and unit tests pass locally with my changes

[ghost]

@air1one @supaiku0 - please review this in the next few days. Be sure to explicitly select labels so I know what's going on.

If no reviewer appears after a week, a reminder will be sent out.

[codecov-io]

Codecov Report

Merging #2146 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #2146   +/-   ##
========================================
  Coverage    79.48%   79.48%           
========================================
  Files          330      330           
  Lines         7913     7913           
  Branches      1083     1107   +24     
========================================
  Hits          6290     6290           
  Misses        1590     1590           
  Partials        33       33

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