unitframes: add combat hit indicators

thanks @Jayrgo for his work on that.

env/translations_esES.lua

@@ -171,6 +171,7 @@ pfUI_translation["esES"] = {
   ["Enable Energy Ticks"] = "Activar Tic de Energía",
   ["Enable Extended Guild Information"] = "Activar Información de Hermandad Extendida",
   ["Enable Health Color"] = "Activar Color de Salud",
+  ["Enable Hit Indicator"] = nil,
   ["Enable Item Quality Color For Equipment Only"] = "Activar Color de Calidad de Objetos solo para Equipo",
   ["Enable Left Actionbar (BottomRight)"] = "Activar la Barra de Acción Izquierda (Inferior Derecha)",
   ["Enable Level Color"] = "Activar Color de Nivel",
@@ -247,6 +248,9 @@ pfUI_translation["esES"] = {
   ["Hide Group Frames While In Raid"] = "Ocultar los Marcos del Grupo Mientras estés en la Banda",
   ["Hide Totems"] = "Ocultar Tótems",
   ["Highlight Settings That Require Reload"] = "Resaltar las Configuraciones que Requieren Recarga",
+  ["Hit Indicator"] = nil,
+  ["Hit Indicator Text Font"] = nil,
+  ["Hit Indicator Text Size"] = nil,
   ["Hoverbind"] = "Teclado",
   ["Huge (PixelPerfect)"] = "Enorme (Píxel Perfecta)",
   ["Icon Size"] = "Tamaño del Icono",