Update build configuration and add benchmarks

- Add xtask to workspace members
- Update dependencies for pattern sorter
- Add sorting benchmarks for performance testing
- Update gitignore for Claude Code settings

Author: praveenperera

.cargo/config.toml

@@ -0,0 +1,2 @@
+[alias]
+xtask = "run --package xtask --"

.gitignore

@@ -1,2 +1,11 @@
 /target
 **/*.rs.bk
+tmp/
+rustywind
+node_modules
+
+# test fixture node modules
+rustywind-core/tests/fixtures/package-lock.json
+
+# Claude Code settings
+.claude/