feat(mobile): share intent (#4599)

* feat(mobile): share intent

* feat(ios): share content

* feat(share): fix kUTType* deprecation

* feat(share): fix result of call to 'openURL' is unused

* fix screenshot copy rewrite issue

* fix AndroidManifest.xml

* fix(iOS): app not showing in share list

* address comment

package.json

@@ -112,6 +112,7 @@
         "react-transition-group": "4.3.0",
         "reakit": "0.11.1",
         "remove-accents": "0.4.2",
+        "send-intent": "3.0.11",
         "threads": "1.6.5",
         "url": "^0.11.0",
         "yargs-parser": "20.2.4"