Fix readme line breaks

README.md

@@ -24,27 +24,27 @@ composer require maantje/charts
 Below are some examples of the types of charts you can create using this library. Click on the links to view the source code for each example.
 
 ### Simple line chart
-![alt text](./examples/output/simple-line-chart.svg)
+![alt text](./examples/output/simple-line-chart.svg)  
 [View source](./examples/simple-line-chart.php)
 
 ### Simple bar chart
-![alt text](./examples/output/simple-bar-chart.svg)
+![alt text](./examples/output/simple-bar-chart.svg)  
 [View source](./examples/simple-bar-chart.php)
 
 ### Simple stacked chart
-![alt text](./examples/output/simple-stacked-bar-chart.svg)
+![alt text](./examples/output/simple-stacked-bar-chart.svg)  
 [View source](./examples/simple-stacked-bar-chart.php)
 
 ### Advanced line charts
-![alt text](./examples/output/advanced-line-chart.svg)
+![alt text](./examples/output/advanced-line-chart.svg)  
 [View source](./examples/advanced-line-chart.php)
 
 ### Advanced bar chart
-![alt text](./examples/output/advanced-bar-chart.svg)
+![alt text](./examples/output/advanced-bar-chart.svg)  
 [View source](./examples/advanced-bar-chart.php)
 
 ### Mixed chart
-![alt text](./examples/output/mixed-chart.svg)
+![alt text](./examples/output/mixed-chart.svg)  
 [View source](./examples/mixed-chart.php)
 
 ### Pie chart