- Update all website references from umbraedit.io to umbratools.com/umbraedit
- Update documentation URLs from docs.umbraedit.io to umbratools.com/umbraedit/docs
- Update release URLs from releases.umbraedit.io to umbratools.com/umbraedit/releases
- Update __domain__ to umbratools.com for Qt organization domain
- Update README first image to reference UmbraEdit icon SVG
- Update README link text from umbraedit.io to UmbraEdit
- Update test versioninfo expected text