Add partners contacts (#577)

Contacts of SideShift and SimpleSwap partners added to the Support section

lib/src/screens/settings/widgets/settings_link_provider_cell.dart

@@ -20,7 +20,7 @@ class SettingsLinkProviderCell extends StandardListRow {
 
   @override
   Widget? buildLeading(BuildContext context) =>
-      icon != null ? Image.asset(icon!, color: iconColor, height: 30, width: 30) : null;
+      icon != null ? Image.asset(icon!, color: iconColor, height: 24, width: 24) : null;
 
   @override
   Widget buildTrailing(BuildContext context) => Text(linkTitle,

lib/view_model/support_view_model.dart

@@ -53,6 +53,16 @@ abstract class SupportViewModelBase with Store {
           icon: 'assets/images/change_now.png',
           linkTitle: 'support@changenow.io',
           link: 'mailto:support@changenow.io'),
+    LinkListItem(
+        title: 'SideShift',
+        icon: 'assets/images/sideshift.png',
+        linkTitle: S.current.help,
+        link: 'https://help.sideshift.ai/en/'),
+    LinkListItem(
+        title: 'SimpleSwap',
+        icon: 'assets/images/simpleSwap.png',
+        linkTitle: 'support@simpleswap.io',
+        link: 'mailto:support@simpleswap.io'),
       if (!isMoneroOnly) ... [    
          LinkListItem(
      title: 'Wyre',