Use XPC Service instead of URL Scheme.

v1.3.0

Update README.

This extension is also able to open in Safari itself as new window.

v1.2.0

Updates version information and the release note.

Allows opening requests that are sent by only this app extension.

v1.1.1

Changes app icons.

v1.1.0

Updates version information.

v1.0.0

Builds main window of the OpenOthers Launcher.