Add LLVM bitcode to .gitignore

[jeltz]

Also makes sure to change some paths in .gitignore to absolute.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.32%. Comparing base (44b9bb7) to head (426fff9).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #645   +/-   ##
=======================================
  Coverage   86.32%   86.32%           
=======================================
  Files           3        3           
  Lines        1346     1346           
  Branches      217      217           
=======================================
  Hits         1162     1162           
  Misses         87       87           
  Partials       97       97           

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[artemgavrilov]

I prefer handwritten gitignores over generated ones, so maybe it worth to cleanup it later and remove what we don't need there. What do you think?

[jeltz]

Agreed, I was thinking about cleaning it up and only having what we need but I decided to keep it simple for now.