Keep Build Files In build

[ElectronicsArchiver]

• Automatically creates a /build/ folder
• .o & .d files are generated in /build/

[codecov]

Codecov Report

Merging #89 (ef1d3bd) into main (33cc3b9) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #89   +/-   ##
=======================================
  Coverage   63.43%   63.43%           
=======================================
  Files           3        3           
  Lines         134      134           
  Branches        7        7           
=======================================
  Hits           85       85           
  Misses         44       44           
  Partials        5        5           

---

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 33cc3b9...ef1d3bd. Read the comment docs.

[tavianator]

Thanks for doing this! Just a couple nits.

[ElectronicsArchiver]

Not sure, does it work with 2 paths or do you need to separate it~

[tavianator]

You mean $(wildcard)? It works with two patterns, I just tested it.

[tavianator]

make clean needs to be updated. After that I think it's good to go!