Added 2021 year to bike chart

js/chart.js

@@ -1,12 +1,14 @@
 // Prepare the data
 const currentYear = new Date().getFullYear();
 const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
-const distances2022 =  [ 71, 141, 279, 318,  85, 365, 472, 497, 302, 276, 224, 157];
+const distances2021 = [ 48,  43, 222, 178, 484, 444, 112, 450,  91, 141,  14, 131];
+const distances2022 = [ 71, 141, 279, 318,  85, 365, 472, 497, 302, 276, 224, 157];
 const distances2023 = [ 97, 100,  82, 275, 293, 270, 197, 272,  83, 255,  89, NaN];
 
 // Data structure for uPlot
 const data = [
   months.map((m, i) => i), // Convert month names to indices
+  distances2021,
   distances2022,
   distances2023,
 ];
@@ -16,6 +18,13 @@ const options = {
   height: 200,
   series: [
     { value: (self, rawValue) => months[rawValue] }, // Assuming months are 0-indexed
+    {
+      label: "2021",
+      stroke: '#a1c0cc',
+      dash: [10,5],
+      width: 2,
+      value: (self, rawValue) => rawValue + ' km', // Append 'km' units to series values
+    },
     {
       label: "2022",
       stroke: '#a1c0cc',