ui: strings: add missing string table entries

Signed-off-by: Silvano Seva <silseva@fastwebnet.it>

openrtx/include/ui/EnglishStrings.h

@@ -102,6 +102,9 @@ const stringsTable_t englishStrings =
     .Encode            = "Encode",
     .Decode            = "Decode",
     .Both              = "Both",
-    .None              = "None"
+    .None              = "None",
+    .direction         = "Direction",
+    .step              = "Step",
+    .radio             = "Radio",
 };
 #endif  // ENGLISHSTRINGS_H

openrtx/include/ui/SpanishStrings.h

@@ -103,6 +103,9 @@ const stringsTable_t spanishStrings =
     .Encode            = "Codificar",
     .Decode            = "Decodificar",
     .Both              = "Ambos",
-    .None              = "Ni"
+    .None              = "Ni",
+    .direction         = "Dirección",
+    .step              = "Paso",
+    .radio             = "Radio",
 };
 #endif  // SPANISHSTRINGS_H

openrtx/include/ui/ui_strings.h

@@ -107,6 +107,9 @@ typedef struct
     const char* Decode;
     const char* Both;
     const char* None;
+    const char* direction;
+    const char* step;
+    const char* radio;
 }
 stringsTable_t;