chore(docs): Generated API Reference (#3718)

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

docs/api/admin/code_samples/Shell/admin_discounts/get.sh

@@ -0,0 +1,2 @@
+curl --location --request GET 'https://medusa-url.com/admin/discounts' \
+--header 'Authorization: Bearer {api_token}'

docs/api/admin/code_samples/Shell/admin_discounts/post.sh

@@ -0,0 +1,12 @@
+curl --location --request POST 'https://medusa-url.com/admin/discounts' \
+--header 'Authorization: Bearer {api_token}' \
+--header 'Content-Type: application/json' \
+--data-raw '{
+    "code": "TEST",
+    "rule": {
+       "type": "fixed",
+       "value": 10,
+       "allocation": "item"
+    },
+    "regions": ["reg_XXXXXXXX"]
+}'