Added global engine temp in general data store

src/data/general_store.cpp

@@ -4,6 +4,7 @@
 #include "general_store.h"
 
  volatile double vbat_global = 0;
+ volatile double teng_global = 0;
 
  void vbat_global_read(double& out) {
      out = vbat_global;
@@ -11,4 +12,12 @@
 
  void vbat_global_write(const double& in) {
      vbat_global = in;
+ }
+
+ void teng_global_read(double& out) {
+     out = vbat_global;
+ }
+
+ void teng_global_write(const double& in) {
+     vbat_global = in;
  }