Add LinkTag App

[emilydaemon]

• Have you checked that there aren't other open pull requests for the same manifest update/change?
• Have you verified that the manifest contains valid JSON?
• Are you certain that this manifest is not designed to obtain copyrighted material or software, which you do not have permission to distribute?
• Submitting malicious software is strictly forbidden, and potentially constitutes criminal activity, punishable by law. To the best of your knowledge, is this submission clear of any malicious intent?

Note: filename.oscmeta is the slug of the application you are submitting. This slug is used to locate files such as "/apps/slug/boot.dol" and "/apps/slug/meta.xml" in the final archive generated by this manifest. These files should be available at this location.

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This app is a LinkTag (formerly known as RiiTag) viewer for the Wii.

[GabubuAvailable]

everything looks good! i can merge it!