Major restructure

Author: peterpolidoro

.gitignore

@@ -206,3 +206,13 @@ flycheck_*.el
 
 # network security
 /network-security.data
+
+# Pixi
+.pixi/
+
+# Ruff
+.ruff_cache/
+
+# Bench outputs
+bench_results*.jsonl
+bench_matrix*.jsonl