docs: added examples page (#9587)

- Added an examples page with examples of all different concepts in Medusa. We'll probably add more examples with time as we see the need for them.
- Small fixes in different pages.

Preview: https://resources-docs-ocb5uyp0o-medusajs.vercel.app/v2/resources/examples

www/apps/book/generated/edit-dates.mjs

@@ -108,7 +108,6 @@ export const generatedEditDates = {
   "app/customization/next-steps/page.mdx": "2024-09-12T10:50:04.873Z",
   "app/customization/page.mdx": "2024-09-12T11:16:18.504Z",
   "app/more-resources/cheatsheet/page.mdx": "2024-07-11T16:11:26.480Z",
-  "app/more-resources/examples/page.mdx": "2024-10-03T11:12:50.956Z",
   "app/architecture/architectural-modules/page.mdx": "2024-09-23T12:51:04.520Z",
   "app/architecture/overview/page.mdx": "2024-09-23T12:55:01.339Z",
   "app/advanced-development/data-models/infer-type/page.mdx": "2024-09-30T08:43:53.123Z",