Adding a basic gitignore.
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..661e686
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,19 @@
+# Python
+*.pyc
+
+# Visual Studio files
+.vs/
+*.sdf
+*.opensdf
+*.VC.opendb
+*.suo
+*.user
+
+# macOS files
+.DS_Store
+
+# CMake artifacts
+build/
+
+# Bazel artifacts
+bazel-*/