[Fleet] adding a docs link to the transforms callout for integrations (#216233)

## Summary

Adding a docs link to the transforms callout on the add integration
screen. Link points to:
https://www.elastic.co/guide/en/elasticsearch/reference/current/transform-overview.html

## Screenshots
<img width="784" alt="Screenshot 2025-03-27 at 4 57 50 PM"
src="https://github.com/user-attachments/assets/bf9fa32c-5ca5-4d89-9296-4d05d742152e"
/>

Singular text with link:
<img width="715" alt="Screenshot 2025-03-27 at 4 57 56 PM"
src="https://github.com/user-attachments/assets/c0247b66-2f3f-4a20-a8a4-8ca61ce9fa88"
/>

Plural text with link:
<img width="723" alt="Screenshot 2025-03-27 at 4 58 44 PM"
src="https://github.com/user-attachments/assets/e2a81b82-7df1-4929-a73e-0ee7bd7b6f35"
/>

Href:
<img width="1178" alt="Screenshot 2025-03-27 at 4 58 11 PM"
src="https://github.com/user-attachments/assets/cb5988af-59d9-4be7-ab61-f4cc15d08528"
/>

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>

src/platform/packages/shared/kbn-doc-links/src/get_doc_links.ts

@@ -546,6 +546,7 @@ export const getDocLinks = ({ kibanaBranch, buildFlavor }: GetDocLinkOptions): D
         ? `${SERVERLESS_DOCS}transforms.html`
         : `${ELASTICSEARCH_DOCS}transforms.html`,
       alertingRules: `${ELASTICSEARCH_DOCS}transform-alerts.html`,
+      overview: `${ELASTICSEARCH_DOCS}transform-overview.html`,
     },
     visualize: {
       guide: `${KIBANA_DOCS}_panels_and_visualizations.html`,

x-pack/platform/plugins/private/translations/translations/fr-FR.json

@@ -19132,7 +19132,6 @@
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingAgentPoliciesTitle": "Erreur lors du chargement des stratégies d'agent",
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingPackageTitle": "Erreur lors du chargement des informations de pack",
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingSelectedAgentPolicyTitle": "Erreur lors du chargement de la stratégie d'agent sélectionnée",
-    "xpack.fleet.createPackagePolicy.transformInstallWithCurrentUserPermissionCallout": "Ce package a {count, plural, one {une ressource de transformation qui sera créée et démarrée} other {# ressources de transformation qui seront créées et démarrées}} avec les mêmes rôles que l'utilisateur responsable de l'installation du package.",
     "xpack.fleet.createPackagePolicyBottomBar.addAnotherIntegration": "Ajouter une autre intégration",
     "xpack.fleet.createPackagePolicyBottomBar.backButton": "Retour",
     "xpack.fleet.createPackagePolicyBottomBar.loading": "Chargement...",

x-pack/platform/plugins/private/translations/translations/ja-JP.json

@@ -19109,7 +19109,6 @@
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingAgentPoliciesTitle": "エージェントポリシーの読み込みエラー",
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingPackageTitle": "パッケージ情報の読み込みエラー",
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingSelectedAgentPolicyTitle": "選択したエージェントポリシーの読み込みエラー",
-    "xpack.fleet.createPackagePolicy.transformInstallWithCurrentUserPermissionCallout": "このパッケージには、パッケージをインストールするユーザーと同じロールで作成、開始される{count, plural, one {1個のトランスフォームアセット} other {# トランスフォームアセット}}があります。",
     "xpack.fleet.createPackagePolicyBottomBar.addAnotherIntegration": "別の統合を追加",
     "xpack.fleet.createPackagePolicyBottomBar.backButton": "戻る",
     "xpack.fleet.createPackagePolicyBottomBar.loading": "読み込み中...",

x-pack/platform/plugins/private/translations/translations/zh-CN.json

@@ -19150,7 +19150,6 @@
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingAgentPoliciesTitle": "加载代理策略时出错",
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingPackageTitle": "加载软件包信息时出错",
     "xpack.fleet.createPackagePolicy.StepSelectPolicy.errorLoadingSelectedAgentPolicyTitle": "加载选定代理策略时出错",
-    "xpack.fleet.createPackagePolicy.transformInstallWithCurrentUserPermissionCallout": "此软件包具有 {count, plural, one {一个转换资产} other {# 个转换资产}}，它们将使用与安装软件包的用户相同的角色创建并启动。",
     "xpack.fleet.createPackagePolicyBottomBar.addAnotherIntegration": "添加其他集成",
     "xpack.fleet.createPackagePolicyBottomBar.backButton": "返回",
     "xpack.fleet.createPackagePolicyBottomBar.loading": "正在加载……",

x-pack/platform/plugins/shared/fleet/public/components/transform_install_as_current_user_callout.tsx

@@ -5,12 +5,13 @@
  * 2.0.
  */
 
-import { EuiCallOut } from '@elastic/eui';
+import { EuiCallOut, EuiLink } from '@elastic/eui';
 import { FormattedMessage } from '@kbn/i18n-react';
 import React from 'react';
 import { uniqBy } from 'lodash';
 
 import type { PackageInfo } from '../../common';
+import { useStartServices } from '../hooks';
 
 export const getNumTransformAssets = (assets?: PackageInfo['assets']) => {
   if (
@@ -28,12 +29,24 @@ export const getNumTransformAssets = (assets?: PackageInfo['assets']) => {
 export const TransformInstallWithCurrentUserPermissionCallout: React.FunctionComponent<{
   count: number;
 }> = ({ count }) => {
+  const { docLinks } = useStartServices();
   return (
     <EuiCallOut color="primary" iconType="iInCircle">
       <FormattedMessage
-        id="xpack.fleet.createPackagePolicy.transformInstallWithCurrentUserPermissionCallout"
-        defaultMessage="This package has {count, plural, one {one transform asset} other {# transform assets}} which will be created and started with the same roles as the user installing the package."
-        values={{ count }}
+        id="xpack.fleet.createPackagePolicy.transformInstallWithCurrentUserPermissionCallout.text"
+        defaultMessage="This package has {count, plural, one {one} other {#}} {docsLink} which will be created and started with the same roles as the user installing the package."
+        values={{
+          count,
+          docsLink: (
+            <EuiLink href={docLinks.links.transforms.overview} target="_blank" external>
+              <FormattedMessage
+                id="xpack.fleet.createPackagePolicy.transformInstallWithCurrentUserPermissionCallout.docsLink"
+                defaultMessage="{count, plural, one {transform asset} other {transform assets}}"
+                values={{ count }}
+              />
+            </EuiLink>
+          ),
+        }}
       />
     </EuiCallOut>
   );