[PYTHON-4306] Added .gitignore (#10)

Author: caseyclements

.gitignore

@@ -0,0 +1,48 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+*.dylib
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Cython
+*.c
+*.cpp
+
+# PyCharm
+*.idea/
+
+# Sphinx documentation
+docs/_build/
+
+# libbson files
+libbson
+mongo-c-driver-*
+
+
+# Benchmark and test output files
+results/*
+xunit-results/