Change the http/https scheme support in Info.plist
Change the http/https scheme support in Info.plist

- Adds a `LSHandlerRank` key to hide Vienna from the browser selector
- Removes the `LSIsAppleDefaultForScheme` key, which appears to be obsolete
- Declares the `Editor` role explicitly

barijaona/vienna-rss,josh64x2/vienna-rss,Eitot/vienna-rss,ViennaRSS/vienna-rss,barijaona/vienna-rss,josh64x2/vienna-rss,Eitot/vienna-rss,ViennaRSS/vienna-rss,barijaona/vienna-rss,Eitot/vienna-rss,ViennaRSS/vienna-rss,josh64x2/vienna-rss,Eitot/vienna-rss,ViennaRSS/vienna-rss,josh64x2/vienna-rss,barijaona/vienna-rss,ViennaRSS/vienna-rss,josh64x2/vienna-rss,barijaona/vienna-rss