Add Zulu localization

Close #5160

PowerEditor/installer/nsisInclude/langs4Npp.nsh

@@ -286,6 +286,9 @@ SectionGroup "Localization" localization
 	${MementoUnselectedSection} "Piglatin" piglatin
 		CopyFiles "$PLUGINSDIR\nppLocalization\piglatin.xml" "$INSTDIR\localization\piglatin.xml"
 	${MementoSectionEnd}
+        ${MementoUnselectedSection} "Zulu" zulu
+		CopyFiles "$PLUGINSDIR\nppLocalization\zulu.xml" "$INSTDIR\localization\zulu.xml"
+	${MementoSectionEnd}
 SectionGroupEnd
 
 SectionGroup un.localization
@@ -547,4 +550,7 @@ SectionGroup un.localization
 	Section un.piglatin
 		Delete "$INSTDIR\localization\piglatin.xml"
 	SectionEnd
+        Section un.zulu
+		Delete "$INSTDIR\localization\zulu.xml"
+	SectionEnd
 SectionGroupEnd

PowerEditor/src/localizationString.h

@@ -115,5 +115,6 @@ LocalizationSwitcher::LocalizationDefinition localizationDefs[] =
 	{TEXT("Corsu"), TEXT("corsican.xml")},
 	{TEXT("Brezhoneg"), TEXT("breton.xml")},
 	{TEXT("کوردی‬"), TEXT("kurdish.xml")},
-	{TEXT("Pig latin"), TEXT("piglatin.xml")}
+	{TEXT("Pig latin"), TEXT("piglatin.xml")},
-};
+        {TEXT("Zulu"), TEXT("zulu.xml")}
+};