Update font.c

Add 'Ω' and 'ω' to special charset

font.c

@@ -115,7 +115,9 @@ const char ssd1306oled_font[][6] PROGMEM = {
 {0x00, 0x3D, 0x42, 0x42, 0x42, 0x3D}, // Ö
 {0x00, 0x02, 0x05, 0x02, 0x00, 0x00}, // °
 {0x00, 0x7E, 0x01, 0x49, 0x55, 0x73}, // ß
-{0x00, 0x7C, 0x10, 0x10, 0x08, 0x1C} // µ
+{0x00, 0x7C, 0x10, 0x10, 0x08, 0x1C}, // µ
+{0x00, 0x30, 0x48, 0x20, 0x48, 0x30}, // ω
+{0x00, 0x2C, 0x32, 0x02, 0x32, 0x2C} // Ω
 };
 const char special_char[][2] PROGMEM = {
     // define position of special char in font
@@ -132,5 +134,7 @@ const char special_char[][2] PROGMEM = {
     {'°', 101},
     {'ß', 102},
     {'µ', 103},
+    {'ω', 104},
+    {'Ω', 105},
     {0xff, 0xff} // end of table special_char
 };