Invite list view

Adds a CTA on the room list to view invites if there are any.

The invite list presents each invite with accept/decline buttons
and (for room invites) the sender details.

Fixes #102

tools/localazy/config.json

@@ -25,6 +25,12 @@
         "screen_onboarding_.*"
       ]
     },
+    {
+      "name": ":features:invitelist:impl",
+      "includeRegex": [
+        "screen_invites_.*"
+      ]
+    },
     {
       "name": ":features:createroom:impl",
       "includeRegex": [