fix: make logo optional

[prashant-gurung899]

Description

This PR makes the logo to be optional.
And also added an unit test to render the template without the logo.

Related Issue

• Fixes [Bug]: Logo should be optional #125

Motivation and Context

How Has This Been Tested?

• Locally

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Tests only (no source changes)
• Documentation only (no source changes)
• Maintenance (e.g. dependency updates or tooling)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation updated

[individual-it]

Let's also add some tests

[Copilot]

Pull request overview

This PR aims to make the presentation logo optional so that slides don’t display the “Logo” alt text when no logo is provided in front matter metadata.

Changes:

• Added a setLogo hook intended to hide the logo image when no logo is defined.
• Updated template-application flow to invoke logo handling when templates are enabled.
• Updated .gitignore to ignore the generated package.json.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated 2 comments.

File	Description
src/App.vue	Adds logo-hiding logic when templates are applied.
.gitignore	Ignores generated package.json.

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[saw-jan]

hmm, the reason for showing the logo alt text is how we have the template.
IMO, we should fix the default template instead of removing logo container from html here.
Let the template files handle the rendering.

logo container should be enclosed by {{#metadata.lgo}}...{{/metadata.logo}}

web-app-presentation-viewer/public/templates/about-us-template.html

Lines 9 to 12 in 19d9596

	<div class="logo">
	<img src="{{{ metadata.logo }}}" alt="Logo">
	</div>
	</div>

Similiar to about-us

web-app-presentation-viewer/public/templates/about-us-template.html

Lines 23 to 29 in 19d9596

	{{#metadata.aboutUs}}
	<div class="info-box">
	<h3>{{ title }}</h3>
	<p>{{ text }}</p>
	</div>
	<div class="divider"></div>
	{{/metadata.aboutUs}}

[prashant-gurung899]

If that's the case then i have removed the function and updated the templates 💯

[PrajwolAmatya]

Need to wrap the logo div in {{#metadata.logo}}...{{/metadata.logo}} in the templateHtmlMap in the test code. Then this should also be removed from the snapshot.