docs: rename provider module to module provider (#7869)

* docs: rename provider module to module provider

* fix vale rule

* vale fixes

www/apps/resources/app/commerce-modules/tax/module-options/page.mdx

@@ -14,7 +14,7 @@ In this document, you'll learn about the options of the Tax Module.
 
 ## providers
 
-The `providers` option is an array of either tax provider modules, tax plugins, or path to a file that defines a tax provider.
+The `providers` option is an array of either tax module providers, tax plugins, or path to a file that defines a tax provider.
 
 When the Medusa application starts, these providers are registered and can be used to retrieve tax lines.
 
@@ -45,5 +45,5 @@ module.exports = defineConfig({
 
 The objects in the array accept the following properties:
 
-- `resolve`: A string indicating the package name of the tax provider module or the path to it relative to the `src` directory.
-- `options`: An object of options to pass to the tax provider.
+- `resolve`: A string indicating the package name of the module provider or the path to it relative to the `src` directory.
+- `options`: An object of options to pass to the module provider.

www/apps/resources/app/commerce-modules/tax/tax-calculation-with-provider/page.mdx

@@ -45,13 +45,13 @@ The example above returns the tax lines based on the tax region for the United S
 
 The tax lines retrieved by the `getTaxLines` method are actually retrieved from the tax region’s provider.
 
-A tax provider module whose main service implements the logic to shape tax lines. Each tax region has a tax provider.
+A tax module provider whose main service implements the logic to shape tax lines. Each tax region has a tax provider.
 
 The Tax Module provides a `system` tax provider that only transforms calculated item and shipping tax rates into the required return type.
 
 {/* ---
 
-TODO add once tax provider guide is updated + add provider modules match other modules.
+TODO add once tax provider guide is updated + add module providers match other modules.
 
 ## Create Tax Provider