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.
* docs: add missing widget props for collections injection zones
Adds missing widget props for the `product_collection.details.before` and `product_collection.details.after` injection zones.
* fix lint error
- Move the admin plugin's options to the Admin Configuration documentation.
- Add a section on how to change the backend URL for both development and production.
- Fix the troubleshooting section related to port forwarding.
- General fixes.
Added missing link. @shahednasser can see you often use markdown references for other links, let me know if you prefer my submissions to be in similar format.
- Move the original guides for creating endpoints and middlewares to sub-sections in the Endpoints category.
- Replace existing guides for endpoints and middlewares with the new approach.
- Update all endpoints-related snippets across docs to use this new approach.
