docs: fixes and preparations for workflows reference (#8579)

- Fix the merger configuration that adds the correct slug / sidebar labels
- Add an overview page for the workflows reference.
- Fixes to components and build scripts

www/apps/resources/app/medusa-workflows-reference/page.mdx

@@ -0,0 +1,13 @@
+import { ChildDocs } from "docs-ui"
+
+export const metadata = {
+  title: `Medusa Workflows Reference`,
+}
+
+# {metadata.title}
+
+This section of the documentation provides a reference to the workflows created by Medusa. These workflows are used in the Store and Admin API routes.
+
+You can use these workflows in your customizations as well. They're available in the `@medusajs/core-flows` package.
+
+<ChildDocs childLevel={2} />

www/apps/resources/generated/files-map.mjs

@@ -683,6 +683,10 @@ export const filesMap = [
     "filePath": "/www/apps/resources/app/medusa-container-resources/page.mdx",
     "pathname": "/medusa-container-resources"
   },
+  {
+    "filePath": "/www/apps/resources/app/medusa-workflows-reference/page.mdx",
+    "pathname": "/medusa-workflows-reference"
+  },
   {
     "filePath": "/www/apps/resources/app/nextjs-starter/page.mdx",
     "pathname": "/nextjs-starter"

www/apps/resources/package.json

@@ -3,10 +3,9 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "yarn prep && next dev",
-    "dev:monorepo": "yarn prep && yarn dev -p 3003",
+    "dev": "next dev",
+    "dev:monorepo": "yarn dev -p 3003",
     "build": "next build",
-    "build:dev": "NODE_ENV=test yarn prep && yarn build",
     "start": "next start",
     "start:monorepo": "yarn start -p 3003",
     "lint": "next lint --fix",