DetectAssetChangeProcessor bug fix

[wallstop]

Description

• Skip scene assets when doing LoadAssetAtPath in DetectAssetChangePostProcessor
• Add documentation URL to package.json
• Update home page to github pages

Related Issue

Fixes #180
Fixes #181

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Refactor (code change that neither fixes a bug nor adds a feature)

Checklist

• I have added tests that prove my fix is effective or my feature works
• I have updated the documentation accordingly
• I have updated the CHANGELOG
• My changes do not introduce breaking changes, or breaking changes are documented

[Copilot]

Pull request overview

This PR fixes a critical bug where Unity crashes when .unity or .scenetemplate files are processed by the DetectAssetChangeProcessor, along with documentation improvements to the package metadata.

Changes:

• Fixed crash caused by calling LoadAllAssetsAtPath on scene files by adding scene path filtering
• Added documentationUrl field to package.json pointing to GitHub Pages
• Updated homepage URL in package.json to GitHub Pages
• Updated version to 3.1.7 in package.json and banner SVG

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
package.json	Bumped version to 3.1.7, added documentationUrl field, updated homepage to GitHub Pages
docs/images/unity-helpers-banner.svg	Updated version number in banner to match package.json
Editor/AssetProcessors/DetectAssetChangeProcessor.cs	Added IsScenePath helper method and scene file filtering before LoadAllAssetsAtPath calls
Tests/Editor/AssetProcessors/DetectAssetChangeProcessorTests.cs	Added comprehensive tests for scene file processing including edge cases
CHANGELOG.md	Documented the bug fix in Unreleased section

[Copilot]

Pull request overview

Copilot reviewed 4 out of 5 changed files in this pull request and generated no new comments.