Reorganise code ahead of implementation

[richfitz]

No description provided.

[codecov]

Codecov Report

Merging #2 (ef01911) into main (c3dafbb) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main        #2   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         3    +1     
  Lines           59        60    +1     
  Branches        19        19           
=========================================
+ Hits            59        60    +1     

Impacted Files	Coverage Δ
src/runner.ts	100.00% <ø> (ø)
src/user.ts	100.00% <100.00%> (ø)

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