Add route filter screen with airport name lookup

src/i18n_en.h

@@ -255,7 +255,9 @@ static const char* const I18N_EN[] = {
     "Restart now",
     "The update could not be downloaded or installed. The device is still running the previous firmware, unchanged. Please check your WiFi connection and try again later.",
     "Screen Timeout",
-    "After this time without touch, the display turns off to save power. With the screensaver on, it dims to a starfield with a clock instead.",
+"After this time without touch, the display turns off to save power. With the screensaver on, it dims to a starfield with a clock instead.",
+    "Route Filter",
+    "Enter ICAO",
 };
 
 static_assert(sizeof(I18N_EN) / sizeof(I18N_EN[0]) == (size_t)StringId::COUNT,