Validate variables in standings template

[djdefi]

Add validation for variables used in standings.html.erb template and handle missing values.

• script-new.rb

  • Add validation for the presence of variables used in the standings.html.erb template.
  • Log missing values and insert placeholder/null values in the render_template method.
  • Update the render_template method to handle missing variables gracefully.

• standings.html.erb

  • Add checks for the presence of variables before using them in the template.
  • Use placeholder/null values for missing variables in the template.
  • Update the template to handle missing variables gracefully.