Add Cave Story Wii Port (CSE2)

[bor-real]

• [x] Have you checked that there aren't other open pull requests for the same manifest update/change?
• [x] 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?
• [x] 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.

---

Closes #14

[dhtdht020]

waiting for a response on my question at issue #14, do not merge yet