How to handle conditions when using mustache.js?

@lew 

To handle conditions when using mustache.js, you can use the built-in if and else conditionals provided by the library. Here's how you can use conditions in your templates:

1. Use the {{#condition}}...{{/condition}} syntax to render a block of content based on a condition. For example, if you have a variable called isEnabled and want to render a button only if isEnabled is true, you can do the following:

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{{#isEnabled}}
  <button>Click me</button>
{{/isEnabled}}

1. You can also use the {{^condition}}...{{/condition}} syntax to render a block of content if the condition is false. For example, if you want to display a message when isEnabled is false, you can do the following:

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{{^isEnabled}}
  <p>This feature is currently disabled.</p>
{{/isEnabled}}

1. You can nest conditions within each other to create more complex logic. For example, if you want to render different messages based on whether a user is logged in and their role, you can do the following:

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{{#isLoggedIn}}
  {{#isAdmin}}
    <p>Welcome, Admin!</p>
  {{/isAdmin}}
  {{^isAdmin}}
    <p>Welcome, User!</p>
  {{/isAdmin}}
{{/isLoggedIn}}

By using these conditionals in your mustache.js templates, you can customize the rendering of your content based on different variables and conditions.