Add terms of service list item

Trust/Assets.xcassets/settings_terms.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "settings_terms.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Trust/Settings/ViewControllers/SettingsViewController.swift

@@ -155,6 +155,12 @@ class SettingsViewController: FormViewController {
                 image: R.image.settings_privacy_policy()
             )
 
+            <<< link(
+                title: NSLocalizedString("settings.TermsOfService", value: "Terms of Service", comment: ""),
+                value: "http://trustwalletapp.com/terms.html",
+                image: R.image.settings_terms()
+            )
+
             +++ Section()
 
             <<< TextRow {