feature to set feedrate

Firmware/EggbotWireless/src/ConfigManager.cpp

@@ -4,7 +4,10 @@
 #include "ConfigManager.h"
 
 const std::unordered_map<std::string, std::string> defaults{
-    {{"wifiMode", "ap"}, {"wifiSSID", defSSID}, {"wifiPass", defPass}}};
+    {{"wifiMode", "ap"},
+     {"wifiSSID", defSSID},
+     {"wifiPass", defPass},
+     {"defRpm", "2"}}};
 
 /*
     Max string length is 25

Firmware/EggbotWireless/src/GCodeParser.cpp

@@ -1,6 +1,7 @@
 #include <Arduino.h>
 #include <unordered_map>
 
+#include "ConfigManager.h"
 #include "GCodeParser.h"
 
 Command bufcmd;
@@ -56,9 +57,10 @@ Command parseGCode(std::string gcode) {
         auto xIter = argsMap.find('X');
         auto yIter = argsMap.find('Y');
         auto zIter = argsMap.find('Z');
+        auto fIter = argsMap.find('F');
         auto endIter = argsMap.end();
 
-        if(xIter != endIter) {
+        if (xIter != endIter) {
             bufcmd.arg1 = xIter->second;
         }
         if (yIter != endIter) {
@@ -67,6 +69,11 @@ Command parseGCode(std::string gcode) {
         if (zIter != endIter) {
             bufcmd.arg3 = zIter->second;
         }
+        if (fIter != endIter) {
+            bufcmd.arg4 = fIter->second;
+        } else {
+            bufcmd.arg4 = atof(configManager.get("defRpm").c_str());
+        }
 
         if (strcmp(command, "G00") == 0) {
             bufcmd.type = CommandType::G00;