docs: prep for v2 documentation (#6710)

This PR includes documentation that preps for v2 docs (but doesn't introduce new docs).

_Note: The number of file changes in the PR is due to find-and-replace within the `references` which is unavoidable. Let me know if I should move it to another PR._

## Changes

- Change Medusa version in base OAS used for v2.
- Fix to docblock generator related to not catching all path parameters.
- Added typedoc plugin that generates ER Diagrams, which will be used specifically for data model references in commerce modules.
- Changed OAS tool to output references in `www/apps/api-reference/specs-v2` directory when the `--v2` option is used.
- Added a version switcher to the API reference to switch between V1 and V2. This switcher is enabled by an environment variable, so it won't be visible/usable at the moment.
- Upgraded docusaurus to v3.0.1
- Added new Vale rules to ensure correct spelling of Medusa Admin and module names.
- Added new components to the `docs-ui` package that will be used in future documentation changes.

www/apps/docs/content/admin/configuration.mdx

@@ -2,7 +2,7 @@
 description: "In this document, you'll learn about the different ways you can configure the admin dashboard."
 ---
 
-import ParameterTypes from "@site/src/components/ParameterTypes"
+import { TypeList } from "docs-ui"
 
 # Admin Configuration
 
@@ -37,7 +37,7 @@ const plugins = [
 ]
 ```
 
-<ParameterTypes parameters={[
+<TypeList types={[
   {
     name: "serve",
     type: "boolean",