added gitignore

.gitignore

@@ -0,0 +1,38 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+**/target/
+
+# These are created by the database
+**/*.nnpack
+**/*.npack
+
+**/*.nullsegment
+
+# Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/