Added a donate link to readme.txt and to the Options page
- Display admin notice if the tag is not set to Active. Version 0.4.0 adds field, but is off by default and user is not made aware.
- Added toggle for making rel="logo" tag active. Allows adjustment of SVG URL before showing the tag.
- Display HTML img tag on Options page for users to display their Relogo elsewhere
- Allow uploading SVG files to WordPress media library
- Validate URL in Options. Check for a valid protocol (HTTP or HTTPS) and a .svg file