Add simple example with function

Author: typpo

examples/simple_example_with_function.py

@@ -0,0 +1,32 @@
+from quickchart import QuickChart
+
+qc = QuickChart()
+qc.width = 600
+qc.height = 300
+qc.device_pixel_ratio = 2.0
+qc.config = '''{
+  type: 'bar',
+  data: {
+    labels: ['Q1', 'Q2', 'Q3', 'Q4'],
+    datasets: [{
+      label: 'Users',
+      data: [50, 60, 70, 180]
+    }, {
+      label: 'Revenue',
+      data: [100, 200, 300, 400]
+    }]
+  },
+  options: {
+    scales: {
+      yAxes: [{
+        ticks: {
+          callback: (val) => {
+            return val + 'k';
+          }
+        }
+      }]
+    }
+  }
+}'''
+
+print(qc.get_url())