docs: edits and fixes to commerce module docs (#7468)

Apply edits and fixes to the commerce modules docs

www/apps/resources/app/commerce-modules/currency/events/page.mdx

@@ -8,4 +8,10 @@ export const metadata = {
 
 Find in this reference the list of events emitted by the Currency Module.
 
+<Note type="soon">
+
+Events are still in development, so this reference will change in the future.
+
+</Note>
+
 <EventsTable />

www/apps/resources/app/commerce-modules/currency/examples/page.mdx

@@ -55,7 +55,7 @@ In this guide, you’ll find common examples of how you can use the Currency Mod
 
 ---
 
-## Retrieve a Currency by its ID
+## Retrieve a Currency by its Code
 
 <CodeTabs groupId="app-type">
   <CodeTab label="Medusa API Router" value="medusa">
@@ -108,4 +108,4 @@ In this guide, you’ll find common examples of how you can use the Currency Mod
 
 ## More Examples
 
-The [Currency Module interface reference](/references/currency) provides a reference to all the methods available for use with examples for each.
+The [Currency Module's main service reference](/references/currency) provides a reference to all the methods available for use with examples for each.

www/apps/resources/app/commerce-modules/currency/page.mdx

@@ -8,23 +8,19 @@ export const metadata = {
 
 The Currency Module is the `@medusajs/currency` NPM package that provides currency-related features in your Medusa and Node.js applications.
 
----
-
 ## Features
 
 ### Currency Retrieval
 
 List and retrieve currencies stored in your application.
 
-By default, the module, on application start, adds currencies defined in [this file](https://github.com/medusajs/medusa/blob/develop/packages/utils/src/defaults/currencies.ts) to the database.
-
 ```ts
 const currency = await currencyModuleService.retrieve("usd")
 ```
 
 ### Support Currencies in Modules
 
-Other commerce modules use currency codes in their models or operations. You can use the Currency Module to retrieve a currency code and its details.
+Other commerce modules use currency codes in their data models or operations. You can use the Currency Module to retrieve a currency code and its details.
 
 An example with the Region Module:
 
@@ -39,14 +35,16 @@ const currency = await currencyModuleService.retrieve(
 
 ## Configure Currency Module
 
-After installing the `@medusajs/currency` package in your Medusa application, add it to the `modules` object in `medusa-config.js`:
+To use the Currency Module, enable it in the `modules` object in `medusa-config.js`:
 
 ```js title="medusa-config.js"
+const { Modules } = require("@medusajs/modules-sdk")
+
+// ...
+
 const modules = {
   // ...
-  currency: {
-    resolve: "@medusajs/currency",
-  },
+  [Modules.CURRENCY]: true,
 }
 ```
 
@@ -105,9 +103,11 @@ For example:
   import { ICurrencyModuleService } from "@medusajs/types"
   import { ModuleRegistrationName } from "@medusajs/modules-sdk"
 
-  const step1 = createStep("step-1", async (_, context) => {
+  const step1 = createStep(
+    "step-1", 
+    async (_, { container }) => {
     const currencyModuleService: ICurrencyModuleService =
-      context.container.resolve(
+      container.resolve(
         ModuleRegistrationName.CURRENCY
       )
     

www/apps/resources/app/commerce-modules/currency/relations-to-other-modules/page.mdx

@@ -0,0 +1,13 @@
+export const metadata = {
+  title: `Relations between Currency Module and Other Modules`,
+}
+
+# {metadata.title}
+
+This document showcases the link modules defined between the Currency Module and other commerce modules.
+
+## Store Module
+
+A store has a default currency. Medusa defines a link module that builds a relationship between the `Store` and `Currency` data models.
+
+![A diagram showcasing an example of how resources from the Stock Location and Inventory modules are linked.](https://res.cloudinary.com/dza7lstvk/image/upload/v1716798146/Medusa%20Resources/store-currency_wzftwh.jpg)