KotlinX serialization runtime library migrated to separate project
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dc96161
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+.DS_Store
+
+# IntelliJ files
+.idea/
+out/
+
+# Gradle files
+build/
+.gradle/
+