Add make target for package split

[tidal]

No description provided.

[codecov]

Codecov Report

Merging #63 (0f36f0b) into main (b611c1c) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main      #63   +/-   ##
=========================================
  Coverage     95.72%   95.72%           
  Complexity      177      177           
=========================================
  Files            17       17           
  Lines           444      444           
=========================================
  Hits            425      425           
  Misses           19       19           

Flag	Coverage Δ
7.4	95.72% <ø> (ø)
8.0	95.72% <ø> (ø)
8.1	95.72% <ø> (ø)

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[bobstrecansky]

One question about SCRIPT_DIR but not a blocker.