Prepare for adding socket connection

src/main.cpp

@@ -16,11 +16,19 @@
 #include "config.h"
 
 U8G2_SSD1309_128X64_NONAME2_1_4W_HW_SPI disp(U8G2_R0, /* cs=*/ 15, /* dc=*/ 2, /* reset=*/ 16);
-double progress = 0;
+
+// Socket data variables
+double progress = 0.0;
+uint64 timeRemaining = 0;
+uint64 timeElapsed = 0;
+uint8 hotendTemp = 0;
+uint8 buildPlateTemp = 0;
 
 // TODO:
 // 1. Add WPA2 and connect QR to display
 //  "WIFI:S:"+ssid+";T:WPA;P:"+pass+";;"
+// 2. Use config.h for printer spec for now
+// 3. Add webfig menu for selecting a printer
 
 void statusMsg(String msg){
   disp.firstPage();