chore(docs): Generated API Reference (#3211)

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

docs/api/admin/code_samples/JavaScript/regions/post.js

@@ -0,0 +1,20 @@
+import Medusa from "@medusajs/medusa-js"
+const medusa = new Medusa({ baseUrl: MEDUSA_BACKEND_URL, maxRetries: 3 })
+// must be previously logged in or use api token
+medusa.admin.regions.create({
+  name: 'Europe',
+  currency_code: 'eur',
+  tax_rate: 0,
+  payment_providers: [
+    'manual'
+  ],
+  fulfillment_providers: [
+    'manual'
+  ],
+  countries: [
+    'DK'
+  ]
+})
+.then(({ region }) => {
+  console.log(region.id);
+});