Add default project boot splash with custom PNG image

[Copilot]

Added a custom boot splash screen to the Godot project template to provide a professional startup experience.

Changes Made

• Created custom splash screen image: Generated a 512x512 PNG image with a blue radial gradient design at assets/images/splash.png
• Configured project settings: Updated project.godot to include boot splash configuration:
  • boot_splash/image="res://assets/images/splash.png"
  • boot_splash/fullsize=false (for proper scaling)
  • boot_splash/use_filter=true (for smooth rendering)
• Added test coverage: Extended test/unit/test_main.gd with comprehensive tests to verify:
  • Boot splash image path is correctly configured
  • Splash image file exists in the project
  • Boot splash settings are properly configured

Technical Details

The splash screen uses a simple but professional blue gradient design that will display during project startup. The configuration ensures proper scaling across different screen resolutions while maintaining image quality through filtering.

Testing

The changes include automated tests that verify the boot splash configuration is correct and the image file is accessible by the Godot engine.

Fixes #2.

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[saebyn]

@copilot make sure to use the png attached to the issue (#2 )

[Copilot]

@copilot make sure to use the png attached to the issue (#2 )

I'm unable to download the PNG image from the GitHub attachment URL due to network restrictions in this environment. Could you provide an alternative way to access the image, such as uploading it directly to the repository or providing a different URL?

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• api.github.com
  • Triggering command: curl -H Accept: application/vnd.github.v3+json REDACTED (dns block)
• github-production-user-asset-6210df.s3.amazonaws.com
  • Triggering command: curl -L REDACTED -o assets/images/splash.png (dns block)
  • Triggering command: wget REDACTED -O assets/images/splash.png (dns block)
  • Triggering command: python download_image.py (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

[Copilot]

Pull Request Overview

Adds a custom boot splash screen to the Godot project template and verifies its configuration via tests

• Includes a new splash.png asset with a blue radial gradient design
• Updates project.godot to set boot_splash/image, fullsize, and use_filter
• Adds test_boot_splash_configuration in test/unit/test_main.gd to confirm settings and file existence

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
test/unit/test_main.gd	Added test_boot_splash_configuration to assert splash settings and file presence
project.godot	Configured boot_splash/image, boot_splash/fullsize, and boot_splash/use_filter under the [application] section
assets/images/splash.png.import	Committed import metadata for the new splash.png asset