Add more config parameters to the relationships widget

At PIH we would like to include the relationships widget to the registrationSummary.page.

In order to accomplish this we need to configure the widget with the following parameters:

• patientPage - indicates which patient dashboard to navigate to when clicking on the persons listed as related to the patient. By default the patient page is the Clinician Facing Dashboard

e.g.

 "config": {
    "widget": "relationships",
    "icon": "icon-group",
    "label": "Family",
    "maxRecords": "3",
    "patientPage": "/coreapps/patientdashboard/patientDashboard.page?patientId={{patient.uuid}}5&visitId={{visit.uuid}}"
  }

at https://github.com/openmrs/openmrs-module-coreapps/blob/master/omod/src/main/resources/apps/dashboardWidgets_app.json#L106-L111

The param needs to be used for the link at https://github.com/openmrs/openmrs-module-coreapps/blob/master/omod/src/main/webapp/resources/scripts/fragments/dashboardwidgets/relationships/relationships.html#L3