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/inventory/links-to-other-modules/page.mdx

@@ -42,8 +42,8 @@ To retrieve the product variants of an inventory item with [Query](!docs!/learn/
 const { data: inventoryItems } = await query.graph({
   entity: "inventory_item",
   fields: [
-    "variants.*"
-  ]
+    "variants.*",
+  ],
 })
 
 // inventoryItems.variants
@@ -60,8 +60,8 @@ import { useQueryGraphStep } from "@medusajs/medusa/core-flows"
 const { data: inventoryItems } = useQueryGraphStep({
   entity: "inventory_item",
   fields: [
-    "variants.*"
-  ]
+    "variants.*",
+  ],
 })
 
 // inventoryItems.variants
@@ -131,8 +131,8 @@ To retrieve the stock locations of an inventory level with [Query](!docs!/learn/
 const { data: inventoryLevels } = await query.graph({
   entity: "inventory_level",
   fields: [
-    "stock_locations.*"
-  ]
+    "stock_locations.*",
+  ],
 })
 
 // inventoryLevels.stock_locations
@@ -149,8 +149,8 @@ import { useQueryGraphStep } from "@medusajs/medusa/core-flows"
 const { data: inventoryLevels } = useQueryGraphStep({
   entity: "inventory_level",
   fields: [
-    "stock_locations.*"
-  ]
+    "stock_locations.*",
+  ],
 })
 
 // inventoryLevels.stock_locations