diff --git a/s1/.npmrc b/s1/.npmrc
new file mode 100644
index 0000000..b6f27f1
--- /dev/null
+++ b/s1/.npmrc
@@ -0,0 +1 @@
+engine-strict=true
diff --git a/s1/.prettierignore b/s1/.prettierignore
new file mode 100644
index 0000000..ab78a95
--- /dev/null
+++ b/s1/.prettierignore
@@ -0,0 +1,4 @@
+# Package Managers
+package-lock.json
+pnpm-lock.yaml
+yarn.lock