doc(Login): add microsoft login template

[h2ls]

Link issues

fixes #6161

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Add a new TransitionalLogin tutorial template with accompanying Razor component and CSS, and register it in the tutorials navigation for download.

New Features:

• Introduce TransitionalLogin.razor serving a two-step email/password login UI.
• Add TransitionalLogin.razor.css for styling the new login template.

Enhancements:

• Register TransitionalLogin in TutorialsNavMenu with download template entry and file list.

[bb-auto]

Thanks for your PR, @h2ls. Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[sourcery-ai]

Reviewer's Guide

This PR adds a new "TransitionalLogin" tutorial to the TutorialsNavMenu by defining its menu entry and file list, and introduces two new sample files—a Razor component implementing a two-step login flow with Blazor logic and a corresponding CSS stylesheet for styling and animations.

Class Diagram for New and Updated Components in Transitional Login Feature

classDiagram
    class TutorialsNavMenu {
        - _template5 : string[]
        # OnInitializedAsync() : Task
    }
    note for TutorialsNavMenu "New field: _template5 (file list for TransitionalLogin tutorial)\nModified method: OnInitializedAsync() to add a new menu item for 'TransitionalLogin' using _template5."

    class TransitionalLogin {
        <<Razor Component>>
        - isEmailEntered : bool
        - email : string
        - password : string
        - showEmailError : bool
        - OnEmailSubmit() : void
        - GoBack() : void
    }
    note for TransitionalLogin "New Razor component implementing a two-step login UI.\n- Properties manage the state of the login form (e.g., if email is entered, error display).\n- Methods handle form submissions (OnEmailSubmit) and navigation (GoBack)."

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File-Level Changes

Change	Details	Files
Extend TutorialsNavMenu to include TransitionalLogin tutorial	Imported additional using directives Appended new NavItem with Template, Text, and Url for TransitionalLogin Defined a private _template5 string array listing associated tutorial files	src/BootstrapBlazor.Server/Components/Layout/TutorialsNavMenu.razor.cs
Add TransitionalLogin sample component	Created new Razor page with two-step email/password UI Implemented OnEmailSubmit and GoBack methods to toggle login steps Bound input fields to component state and conditional rendering	src/BootstrapBlazor.Server/Components/Samples/Tutorials/LoginAndRegister/TransitionalLogin.razor
Add CSS for TransitionalLogin styling and animations	Defined logo, background-image, container, and button styles Added fade-in/out keyframe animations Scoped deep selectors for input and button styling	src/BootstrapBlazor.Server/Components/Samples/Tutorials/LoginAndRegister/TransitionalLogin.razor.css

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6161	Add a new tutorial page for a transitional login template.	✅

Possibly linked issues

• doc(Login): add microsoft login template #6161: PR adds the transitional login template component as requested by the issue.

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[sourcery-ai]

Hey @h2ls - I've reviewed your changes and found some issues that need to be addressed.

Blocking issues:

• Invalid C# array initialization syntax (link)
• Invalid spread operator usage in array initializer (link)
• Missing click handler for password submission (link)

Here's what I looked at during the review

• 🔴 General issues: 3 blocking issues, 1 other issue
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.99%. Comparing base (3011026) to head (4723a3d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6162   +/-   ##
=======================================
  Coverage   99.99%   99.99%           
=======================================
  Files         704      704           
  Lines       31099    31099           
  Branches     4395     4395           
=======================================
  Hits        31098    31098           
  Partials        1        1           

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