feat: show name of most expensive subscription on statistics (#194)

styles/styles.css

@@ -1247,6 +1247,10 @@ input[type="checkbox"] {
   box-sizing: border-box;
 }
 
+.statistic.short {
+  padding-bottom: 15px;
+}
+
 .statistic.empty {
   background-color: transparent;
   border: none;
@@ -1269,9 +1273,21 @@ input[type="checkbox"] {
 }
 
 .statistic > .title {
+  margin-top: 5px;
   text-align: center;
 }
 
+.statistic > .subtitle {
+  font-size: 25px;
+  color: #8FBFFA;
+  margin-top: 10px;
+  text-align: center;
+}
+
+.statistic > .subtitle > img {
+  width: 100px;
+}
+
 .graphs {
   display: flex;
   flex-direction: row;