Default color/title for $Phishing keyword

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -243,6 +243,7 @@ public class MessageHelper {
     static final String FLAG_COMPLAINT = "Complaint";
     static final String FLAG_LOW_IMPORTANCE = "$LowImportance";
     static final String FLAG_HIGH_IMPORTANCE = "$HighImportance";
+    static final String FLAG_PHISHING = "$Phishing"; // Gmail
 
     // https://www.iana.org/assignments/imap-jmap-keywords/imap-jmap-keywords.xhtml
     // Not black listed: Gmail $Phishing

app/src/main/java/eu/faircode/email/TupleKeyword.java

@@ -168,6 +168,8 @@ public class TupleKeyword {
                 return context.getString(R.string.title_keyword_not_delivered);
             case MessageHelper.FLAG_COMPLAINT:
                 return context.getString(R.string.title_keyword_complaint);
+            case MessageHelper.FLAG_PHISHING:
+                return context.getString(R.string.title_keyword_phishing);
             default:
                 return keyword;
         }
@@ -192,6 +194,7 @@ public class TupleKeyword {
             case MessageHelper.FLAG_NOT_DISPLAYED:
             case MessageHelper.FLAG_NOT_DELIVERED:
             case MessageHelper.FLAG_COMPLAINT:
+            case MessageHelper.FLAG_PHISHING:
                 return Helper.resolveColor(context, androidx.appcompat.R.attr.colorError);
 
             default:

app/src/main/res/values/strings.xml

@@ -2450,6 +2450,7 @@
     <string name="title_keyword_not_displayed">Not displayed</string>
     <string name="title_keyword_not_delivered">Not delivered</string>
     <string name="title_keyword_complaint">Complaint</string>
+    <string name="title_keyword_phishing">Phishing</string>
 
     <plurals name="title_accessibility_messages">
         <item quantity="one">%1$d message</item>