added notes for the PSA library

lib/sunpos/README.md

@@ -0,0 +1,4 @@
+This code is public domain by the Plataforma Solar Almeria
+http://www.psa.es/sdg/sunpos.htm
+
+All times are expected in UTC/GMT

src/main.cpp

@@ -76,6 +76,20 @@ void draw_sunpos() {
   display.setTextColor(SSD1306_WHITE);
   display.setCursor(0, 0);
   //display.print(F("lat  ------> "));
+  display.print(F("time  ...... "));
+  display.print(GPS.hour);
+  display.print(F(":"));
+  display.print(GPS.minute);
+  display.print(F(":"));
+  display.print(GPS.seconds);
+  display.println();
+  display.print(F("date  ...... "));
+  display.print(GPS.day);
+  display.print(F("/"));
+  display.print(GPS.month);
+  display.print(F("/"));
+  display.print(GPS.year);
+  display.println();
   display.print(F("lat  ....... "));
   display.print((double)sun.latitude, 4);
   display.println();