Vendor qroissant 0.3.0 baseline

.gitignore

@@ -0,0 +1,31 @@
+# Rust
+/target/
+**/target/
+**/*.rs.bk
+Cargo.lock.bak
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.egg-info/
+.eggs/
+build/
+dist/
+.venv/
+venv/
+
+# Maturin
+*.so
+*.pyd
+*.dylib
+
+# Editors / OS
+.idea/
+.vscode/
+*.swp
+.DS_Store
+Thumbs.db
+
+# Local consumer code dropped in for repro, not part of qroissant
+/document.py