chore(tooling): add .venv/, logs/, fixtures-* to .gitignore (#1639)

Co-authored-by: danceratopz <danceratopz@gmail.com>

Author: richardgreg

.gitignore

@@ -1,14 +1,18 @@
 .DS_Store
-__pycache__
 .AppleDouble
 .LSOverride
 
 .python-version
 __pycache__/
 *.py[cod]
 *$py.class
+.venv/
 venv/
-/fixtures/
+
+# Artifacts created by `fill`
+fixtures/
+fixtures-*/
+logs/
 /out/
 
 # C extensions