Exercise 2 - Multi Line-Chart

After completing excercise 1, you should be able to create a single line chart in the presented way:

1. Create index.html
2. Create index.js and import into index.html
3. Create a function for plotting the line chart
4. Prepare the chart canvas and load data
5. Data preparation
6. Add axis to the chart
7. Add the line to the chart

With the code you just learned in exercise 1, you should be able to just add another line - take as data the "setPressure" attribute - and make sure it is distinguishable (through color, type of stroke, etc.).