First implementation of energy accounting

web/data.json

@@ -33,5 +33,21 @@
     "p" : %s,
     "c" : %lu,
     "mt" : %d,
-    "ds" : %d
+    "ds" : %d,
+    "ea" : {
+        "x" : %.1f,
+        "t" : %.1f,
+        "h" : {
+            "u" : %.2f,
+            "c" : %.2f
+        },
+        "d" : {
+            "u" : %.2f,
+            "c" : %.2f
+        },
+        "m" : {
+            "u" : %.2f,
+            "c" : %.2f
+        }
+    }
 }