add title to the plot title

config.json

@@ -1,6 +1,6 @@
 {
-    "pv":{
-        "loss": 0.98,
+    "pv":{ 
+        "loss": 0.98, 
         "cost_per_kW": 200,
         "lifetime": 15
     },
@@ -15,17 +15,31 @@
         "capacity": 5000
     },
     "pv_capacities":{
-        "begin": 10000,
+        "begin": 5000,
         "end": 50000,
-        "groups": 3
+        "groups": 3 
     },
     "ess_capacities":{
-        "begin": 10000,
+        "begin": 5000,
         "end": 50000,
-        "groups": 3
+        "groups": 3 
     },
     "time_interval":{
         "numerator": 15,
         "denominator": 60
+    },
+    "annotated": {
+        "unmet_prob": true,
+        "benefit": false,
+        "cost": true 
+    },
+    "figure_size":{
+        "height": 18,
+        "length": 20
+    },
+    "plot_title":{
+        "unmet_prob": "Probability of unmet electricity demands",
+        "cost": "Costs of the PV System/million Eur",
+        "benefit": "Benefit Heatmap Based on PV and ESS Capacities (thousand EUR/year)"
     }
 }