Use ContinuousSpace in ABM constructor

[mastrof]

Closes #37

[codecov]

Codecov Report

Patch coverage: 50.00% and project coverage change: -0.16 ⚠️

Comparison is base (e6da849) 60.85% compared to head (1cbd468) 60.69%.

❗ Current head 1cbd468 differs from pull request most recent head 6dbbc2f. Consider uploading reports for the commit 6dbbc2f to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #40      +/-   ##
==========================================
- Coverage   60.85%   60.69%   -0.16%     
==========================================
  Files          19       19              
  Lines         493      491       -2     
==========================================
- Hits          300      298       -2     
  Misses        193      193              

Impacted Files	Coverage Δ
src/model.jl	85.00% <50.00%> (-1.37%)	⬇️

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