chore(docs): Generated API Reference (#2143)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

docs/api/store/code_samples/Shell/customers/postundefined

@@ -0,0 +1,8 @@
+curl --location --request POST 'https://medusa-url.com/store/customers' \
+--header 'Content-Type: application/json' \
+--data-raw '{
+    "first_name": "Alec",
+    "last_name": "Reynolds",
+    "email": "user@example.com",
+    "password": "supersecret"
+}'