docs: revise commerce modules overview pages (#10738)

* revise API Key Module overview

* revise auth module

* support ref sidebar items

* remove examples

* revise cart module

* revise currency

* revise customer module

* revise fulfillment module

* revise inventory module

* revise order module

* revise payment

* revise pricing module

* revise product module

* revise promotion module

* revise region module

* revise sales channel module

* revise stock location module

* revise store module

* revise tax module

* revise user module

* lint content + fix snippets

www/apps/resources/app/commerce-modules/pricing/links-to-other-modules/page.mdx

@@ -36,8 +36,8 @@ To retrieve the shipping option of a price set with [Query](!docs!/learn/fundame
 const { data: priceSets } = await query.graph({
   entity: "price_set",
   fields: [
-    "shipping_option.*"
-  ]
+    "shipping_option.*",
+  ],
 })
 
 // priceSets.shipping_option
@@ -54,8 +54,8 @@ import { useQueryGraphStep } from "@medusajs/medusa/core-flows"
 const { data: priceSets } = useQueryGraphStep({
   entity: "price_set",
   fields: [
-    "shipping_option.*"
-  ]
+    "shipping_option.*",
+  ],
 })
 
 // priceSets.shipping_option
@@ -133,8 +133,8 @@ To retrieve the variant of a price set with [Query](!docs!/learn/fundamentals/mo
 const { data: priceSets } = await query.graph({
   entity: "price_set",
   fields: [
-    "variant.*"
-  ]
+    "variant.*",
+  ],
 })
 
 // priceSets.variant
@@ -151,8 +151,8 @@ import { useQueryGraphStep } from "@medusajs/medusa/core-flows"
 const { data: priceSets } = useQueryGraphStep({
   entity: "price_set",
   fields: [
-    "variant.*"
-  ]
+    "variant.*",
+  ],
 })
 
 // priceSets.variant