refactor: use Antora partials for persona callouts in Get Started

Replace hardcoded persona text with include::discover:partial$snip_persona-developer.adoc[]
in all 6 get-started pages. Partials created in Discover PR #3131.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: gtrivedi88

modules/get-started/pages/authenticating-to-a-git-server-from-a-workspace.adoc

@@ -9,7 +9,7 @@
 
 pass:[<!-- vale RedHat.CaseSensitiveTerms = NO -->]
 
-This page is for developers who create and use cloud development environments. To learn more about common roles and example tasks referenced in {prod-short} documentation, see xref:discover:roles-and-tasks.adoc[].
+include::discover:partial$snip_persona-developer.adoc[]
 
 In a workspace, you can run Git commands that require user authentication like cloning a remote private Git repository or pushing to a remote public or private Git repository.
 

modules/get-started/pages/basic-actions-you-can-perform-on-a-workspace.adoc

@@ -9,7 +9,7 @@
 
 You manage your workspaces and verify their current states in the *Workspaces* page (`pass:c,a,q[{prod-url}]/dashboard/#/workspaces`) of your {prod-short} dashboard.
 
-This page is for developers who create and use cloud development environments. To learn more about common roles and example tasks referenced in {prod-short} documentation, see xref:discover:roles-and-tasks.adoc[].
+include::discover:partial$snip_persona-developer.adoc[]
 
 After you start a new workspace, you can perform the following actions on it in the *Workspaces* page:
 

modules/get-started/pages/starting-a-workspace-from-a-git-repository-url.adoc

@@ -15,7 +15,7 @@ Selecting a branch or a tag will add the reference parameter to the URL.
 For GitHub, you can also use a repository URL of a directory with a devfile, or a repository URL of the devfile.
 The name of the devfile must be `devfile.yaml` or `.devfile.yaml`.
 
-This page is for developers who create and use cloud development environments. To learn more about common roles and example tasks referenced in {prod-short} documentation, see xref:discover:roles-and-tasks.adoc[].
+include::discover:partial$snip_persona-developer.adoc[]
 
 This feature is not supported for other Git providers.
 ====

modules/get-started/pages/starting-a-workspace-from-a-raw-devfile-url.adoc

@@ -9,7 +9,7 @@
 
 With {prod-short}, you can open a *devfile* URL in your browser to start a new workspace.
 
-This page is for developers who create and use cloud development environments. To learn more about common roles and example tasks referenced in {prod-short} documentation, see xref:discover:roles-and-tasks.adoc[].
+include::discover:partial$snip_persona-developer.adoc[]
 
 pass:[<!-- vale RedHat.Spelling = NO -->]
 

modules/get-started/pages/using-a-git-provider-access-token.adoc

@@ -9,7 +9,7 @@
 
 pass:[<!-- vale RedHat.CaseSensitiveTerms = NO -->]
 
-This page is for developers who create and use cloud development environments. To learn more about common roles and example tasks referenced in {prod-short} documentation, see xref:discover:roles-and-tasks.adoc[].
+include::discover:partial$snip_persona-developer.adoc[]
 
 OAuth for GitHub, GitLab, Bitbucket, or Microsoft Azure Repos needs to be xref:administration-guide:configuring-oauth-for-git-providers.adoc[configured by the administrator] of your organization's {prod-short} instance. If your administrator could not configure it for {prod-short} users, the workaround is for you to use a personal access token. You can configure personal access tokens on the *User Preferences* page of your {prod-short} dashboard: `pass:c,a,q[{prod-url}]/dashboard/#/user-preferences?tab=personal-access-tokens`, or apply it manually as a {kubernetes} Secret in the namespace.
 

modules/get-started/pages/your-first-workspace.adoc

@@ -9,7 +9,7 @@
 [role="_abstract"]
 When you open the {prod-short} URL for the first time, you go from login to coding in about three minutes. The following sections cover the login flow, first workspace creation, workspace tools, and common errors.
 
-This page is for developers who create and use cloud development environments. To learn more about common roles and example tasks referenced in {prod-short} documentation, see xref:discover:roles-and-tasks.adoc[].
+include::discover:partial$snip_persona-developer.adoc[]
 
 == From URL to code in four steps