Recent calls setting

Mark Corner provided a nice PR previously that added this functionality,
but then stopped working on the project and never rebased to allow it to
merge. This just takes that work and applies it to the current tree so
we can bring it inline.

Author: Kyle Kurz

README.md

@@ -62,6 +62,8 @@ RNCallKeep.setup(options).then(accepted => {});
       If provided, it will be displayed on system UI during the call
     - `ringtoneSound`: string (optional)
       If provided, it will be played when incoming calls received; the system will use the default ringtone if this is not provided
+    - `includesCallsInRecents`: boolean (optional)
+      If provided, calls will be shown in the recent calls when true and not when false (ios 11 and above)
     - `maximumCallGroups`: string (optional)
       If provided, the maximum number of call groups supported by this application (Default: 3)
     - `maximumCallsPerCallGroup`: string (optional)

ios/RNCallKeep/RNCallKeep.m

@@ -429,6 +429,11 @@ + (CXProviderConfiguration *)getProviderConfiguration:(NSDictionary*)settings
     if (settings[@"ringtoneSound"]) {
         providerConfiguration.ringtoneSound = settings[@"ringtoneSound"];
     }
+    if (@available(iOS 11.0, *)) {
+        if (_settings[@"includesCallsInRecents"]) {
+            providerConfiguration.includesCallsInRecents = [_settings[@"includesCallsInRecents"] boolValue];
+        }
+    }
     return providerConfiguration;
 }