Use config expansion to generate build script

[marcomorain]

No description provided.

[codecov-io]

Codecov Report

Merging #9 into master will increase coverage by 2.4%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master       #9     +/-   ##
=========================================
+ Coverage   33.08%   35.49%   +2.4%     
=========================================
  Files           9        9             
  Lines         535      448     -87     
=========================================
- Hits          177      159     -18     
+ Misses        342      273     -69     
  Partials       16       16

Impacted Files	Coverage Δ
cmd/orb.go	21.33% <0%> (+0.34%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e61ed76...89c289e. Read the comment docs.