docs: added documentation for admin components (#9491)

- Documented common admin components with design that matches the admin.
- Updated existing admin customization snippets to match the admin's design.

Closes DOCS-964

www/apps/book/app/advanced-development/admin/page.mdx

@@ -18,3 +18,9 @@ You can customize the admin dashboard by:
 Medusa provides a Medusa UI package to facilitate your admin development through ready-made components and ensure a consistent design between your customizations and the dashboard’s design.
 
 Refer to the [Medusa UI documentation](https://docs.medusajs.com/ui) to learn how to install it and use its components.
+
+---
+
+## Admin Components List
+
+To build admin customizations that match the Medusa Admin's designs and layouts, refer to [this guide](!resources!/admin-component) to find common components.

www/apps/book/app/advanced-development/admin/tips/page.mdx

@@ -41,7 +41,7 @@ const ProductWidget = () => {
   }, [loading])
 
   return (
-    <Container>
+    <Container className="divide-y p-0">
       {loading && <span>Loading...</span>}
       {!loading && <span>You have {productsCount} Product(s).</span>}
     </Container>
@@ -78,7 +78,7 @@ import { Link } from "react-router-dom"
 // The widget
 const ProductWidget = () => {
   return (
-    <Container>
+    <Container className="divide-y p-0">
       <Link to={"/orders"}>View Orders</Link>
     </Container>
   )

www/apps/book/app/advanced-development/admin/ui-routes/page.mdx

@@ -21,10 +21,16 @@ A UI route is created in a file named `page.tsx` under the `src/admin/routes` di
 For example, create the file `src/admin/routes/custom/page.tsx` with the following content:
 
 ```tsx title="src/admin/routes/custom/page.tsx"
-import { Container } from "@medusajs/ui"
+import { Container, Heading } from "@medusajs/ui"
 
 const CustomPage = () => {
-  return <Container>This is my custom route</Container>
+  return (
+    <Container className="divide-y p-0">
+      <div className="flex items-center justify-between px-6 py-4">
+        <Heading level="h2">This is my custom route</Heading>
+      </div>
+    </Container>
+  )
 }
 
 export default CustomPage
@@ -59,17 +65,23 @@ A UI route file can export a configuration object that indicates a new item must
 For example:
 
 export const highlights = [
-  ["14", "label", "The label of the UI route's sidebar item."],
-  ["15", "icon", "The icon of the UI route's sidebar item."]
+  ["16", "label", "The label of the UI route's sidebar item."],
+  ["17", "icon", "The icon of the UI route's sidebar item."]
 ]
 
-```tsx title="src/admin/routes/custom/page.tsx" highlights={[["21"], ["22"], ["23"], ["24"], ["25"], ["26"]]}
+```tsx title="src/admin/routes/custom/page.tsx" highlights={highlights}
 import { defineRouteConfig } from "@medusajs/admin-sdk"
 import { ChatBubbleLeftRight } from "@medusajs/icons"
-import { Container } from "@medusajs/ui"
+import { Container, Heading } from "@medusajs/ui"
 
 const CustomPage = () => {
-  return <Container>This is my custom route</Container>
+  return (
+    <Container className="divide-y p-0">
+      <div className="flex items-center justify-between px-6 py-4">
+        <Heading level="h2">This is my custom route</Heading>
+      </div>
+    </Container>
+  )
 }
 
 export const config = defineRouteConfig({
@@ -101,8 +113,10 @@ import { Container, Heading } from "@medusajs/ui"
 
 const CustomSettingPage = () => {
   return (
-    <Container>
-      <Heading level="h1">Custom Setting Page</Heading>
+    <Container className="divide-y p-0">
+      <div className="flex items-center justify-between px-6 py-4">
+        <Heading level="h1">Custom Setting Page</Heading>
+      </div>
     </Container>
   )
 }
@@ -124,14 +138,20 @@ A UI route can accept path parameters if the name of any of the directories in i
 
 For example, create the file `src/admin/routes/custom/[id]/page.tsx` with the following content:
 
-```tsx title="src/admin/routes/custom/[id]/page.tsx" highlights={[["5", "", "Retrieve the path parameter."], ["7", "{id}", "Show the path parameter."]]}
+```tsx title="src/admin/routes/custom/[id]/page.tsx" highlights={[["5", "", "Retrieve the path parameter."], ["10", "{id}", "Show the path parameter."]]}
 import { useParams } from "react-router-dom"
 import { Container } from "@medusajs/ui"
 
 const CustomPage = () => {
   const { id } = useParams()
 
-  return <Container>Passed ID: {id}</Container>
+  return (
+    <Container className="divide-y p-0">
+      <div className="flex items-center justify-between px-6 py-4">
+        <Heading level="h1">Passed ID: {id}</Heading>
+      </div>
+    </Container>
+  )
 }
 
 export default CustomPage
@@ -140,3 +160,9 @@ export default CustomPage
 You access the passed parameter using `react-router-dom`'s [useParams hook](https://reactrouter.com/en/main/hooks/use-params).
 
 If you run the Medusa application and go to `localhost:9000/app/custom/123`, you'll see `123` printed in the page.
+
+---
+
+## Admin Components List
+
+To build admin customizations that match the Medusa Admin's designs and layouts, refer to [this guide](!resources!/admin-component) to find common components.

www/apps/book/app/advanced-development/admin/widgets/page.mdx

@@ -24,7 +24,7 @@ For example, create the file `src/admin/widgets/product-widget.tsx` with the fol
 
 export const widgetHighlights = [
   ["5", "ProductWidget", "The React component of the product widget."], 
-  ["15", "zone", "The zone to inject the widget to."]
+  ["17", "zone", "The zone to inject the widget to."]
 ]
 
 ```tsx title="src/admin/widgets/product-widget.tsx" highlights={widgetHighlights}
@@ -34,8 +34,10 @@ import { Container, Heading } from "@medusajs/ui"
 // The widget
 const ProductWidget = () => {
   return (
-    <Container>
-      <Heading level="h2">Product Widget</Heading>
+    <Container className="divide-y p-0">
+      <div className="flex items-center justify-between px-6 py-4">
+        <Heading level="h2">Product Widget</Heading>
+      </div>
     </Container>
   )
 }
@@ -85,7 +87,7 @@ For example:
 export const detailHighlights = [
   ["10", "data", "Receive the data as a prop."],
   ["11", "AdminProduct", "Pass the expected type of `data` as a type argument."],
-  ["15", "data.title"]
+  ["16", "data.title", "Show the product's title."]
 ]
 
 ```tsx title="src/admin/widgets/product-widget.tsx" highlights={detailHighlights}
@@ -101,10 +103,12 @@ const ProductWidget = ({
   data,
 }: DetailWidgetProps<AdminProduct>) => {
   return (
-    <Container>
-      <Heading level="h2">
-        Product Widget {data.title}
-      </Heading>
+    <Container className="divide-y p-0">
+      <div className="flex items-center justify-between px-6 py-4">
+        <Heading level="h2">
+          Product Widget {data.title}
+        </Heading>
+      </div>
     </Container>
   )
 }