docs: editing and general fixes of medusa's learning resources (#7261)

* docs: editing and general fixes of medusa's learning resources

* fix build script

* update ui dependency

* fix build

* adjust next.js steps

www/yarn.lock

@@ -1326,45 +1326,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@medusajs/ui@npm:^2.4.1":
-  version: 2.4.1
-  resolution: "@medusajs/ui@npm:2.4.1"
-  dependencies:
-    "@medusajs/icons": ^1.2.0
-    "@radix-ui/react-accordion": ^1.1.2
-    "@radix-ui/react-alert-dialog": ^1.0.4
-    "@radix-ui/react-avatar": ^1.0.3
-    "@radix-ui/react-checkbox": ^1.0.4
-    "@radix-ui/react-dialog": ^1.0.4
-    "@radix-ui/react-dropdown-menu": ^2.0.5
-    "@radix-ui/react-label": ^2.0.2
-    "@radix-ui/react-popover": ^1.0.6
-    "@radix-ui/react-portal": ^1.0.3
-    "@radix-ui/react-radio-group": ^1.1.3
-    "@radix-ui/react-scroll-area": ^1.0.4
-    "@radix-ui/react-select": ^2.0.0
-    "@radix-ui/react-slot": ^1.0.2
-    "@radix-ui/react-switch": ^1.0.3
-    "@radix-ui/react-tabs": ^1.0.4
-    "@radix-ui/react-toast": ^1.1.4
-    "@radix-ui/react-tooltip": ^1.0.6
-    "@react-aria/datepicker": ^3.5.0
-    "@react-stately/datepicker": ^3.5.0
-    clsx: ^1.2.1
-    copy-to-clipboard: ^3.3.3
-    cva: 1.0.0-beta.1
-    date-fns: ^2.30.0
-    prism-react-renderer: ^2.0.6
-    react-currency-input-field: ^3.6.11
-    react-day-picker: ^8.8.0
-    tailwind-merge: ^2.2.1
-  peerDependencies:
-    react: ^18.0.0
-    react-dom: ^18.0.0
-  checksum: 1d044632044b9a3e06ed86d574ad67ccefe797a23b839f32f9d15a2563c4c40fc74b0faf1826bef4aa256b34c30dcae8dc1f11d456de2bfc506162d92fe512d5
-  languageName: node
-  linkType: hard
-
 "@medusajs/ui@npm:^3.0.0":
   version: 3.0.0
   resolution: "@medusajs/ui@npm:3.0.0"
@@ -2931,37 +2892,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@radix-ui/react-toast@npm:^1.1.4":
-  version: 1.1.5
-  resolution: "@radix-ui/react-toast@npm:1.1.5"
-  dependencies:
-    "@babel/runtime": ^7.13.10
-    "@radix-ui/primitive": 1.0.1
-    "@radix-ui/react-collection": 1.0.3
-    "@radix-ui/react-compose-refs": 1.0.1
-    "@radix-ui/react-context": 1.0.1
-    "@radix-ui/react-dismissable-layer": 1.0.5
-    "@radix-ui/react-portal": 1.0.4
-    "@radix-ui/react-presence": 1.0.1
-    "@radix-ui/react-primitive": 1.0.3
-    "@radix-ui/react-use-callback-ref": 1.0.1
-    "@radix-ui/react-use-controllable-state": 1.0.1
-    "@radix-ui/react-use-layout-effect": 1.0.1
-    "@radix-ui/react-visually-hidden": 1.0.3
-  peerDependencies:
-    "@types/react": "*"
-    "@types/react-dom": "*"
-    react: ^16.8 || ^17.0 || ^18.0
-    react-dom: ^16.8 || ^17.0 || ^18.0
-  peerDependenciesMeta:
-    "@types/react":
-      optional: true
-    "@types/react-dom":
-      optional: true
-  checksum: 1263f1fd4b53f563c0eace84582ff0c82b515100230e35a17b95c44ad420a4e9c156be28787398d3a455d699292dde4dd23311e1d8a0c23ec36931ff6e5a6935
-  languageName: node
-  linkType: hard
-
 "@radix-ui/react-tooltip@npm:^1.0.6":
   version: 1.0.7
   resolution: "@radix-ui/react-tooltip@npm:1.0.7"
@@ -5719,7 +5649,7 @@ __metadata:
     "@mdx-js/loader": ^3.0.0
     "@mdx-js/react": ^3.0.0
     "@medusajs/icons": ^1.2.0
-    "@medusajs/ui": ^2.4.1
+    "@medusajs/ui": ^3.0.0
     "@next/bundle-analyzer": ^14.2.3
     "@next/mdx": 14.2.3
     "@readme/openapi-parser": ^2.5.0
@@ -7297,7 +7227,7 @@ __metadata:
   resolution: "docs-ui@workspace:packages/docs-ui"
   dependencies:
     "@medusajs/icons": ^1.2.0
-    "@medusajs/ui": ^2.4.1
+    "@medusajs/ui": ^3.0.0
     "@octokit/request": ^8.1.1
     "@react-hook/resize-observer": ^1.2.6
     "@segment/analytics-next": ^1.55.0