Implement data attributes on Split Two Columns Block

Context:

Implement a set of new data attributes on the Split Two Columns Block with standard values. These will be used later to trigger events and define its category, action and label. 

Here's a screenshot linking the elements with the data-ga-action standard values:

**Task: 

• Implement data-attributes on elements:
  • data-ga-category
  • data-ga-action
  • data-ga-label 
• Implement data-attributes with the following standard values: 

  data-ga-category	data-ga-action	data-ga-label
  Split Two Columns	Category Title Tag Title Text Link Call to Action	n/a

  
 **To view all events standards and data-attributes structure proposed: "P4 Events Standards - 2020 Review"