chore: gitignore build/ (#103)

Ignore the `build/` dir artifact generated when `pip install .`-ing

Link to PR:
Arm-Debug/vgf-adapter-model-explorer#103

Co-authored-by: Carey Williams <CareyJWilliams@users.noreply.github.com>

Author: awphi

.gitignore

@@ -8,6 +8,7 @@ __pycache__/
 # Distribution / packaging
 .Python
 dist/
+build/
 .eggs/
 wheels/
 *.egg-info/