liquid

A templating language have 3 components ie objects, tags and filter
1. objects are for values of variables. `{{page.title}}` will display value of `page.title`
2. tags : for control flow
```html
{% if page.show_sidebar %}
  <div class="sidebar">
    sidebar content
  </div>
{% endif %}
```
3. fllter : to change output
  eg: `{{ "hi" | capitalize }}` will display `Hi`
    &nbsp;
  
  **Front matter**
  Front matter is a snippet of YAML placed between two triple-dashed lines at the start of a file.
- front matter variables
	```
	---
	my_number: 5
	---
	```
	calling value front end matter variable
	```
	{{ page.my_number }}
	```
 example
 ```html
---
# front matter tells Jekyll to process Liquid
title: home
---

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>{{ page.title | capitalize  }}</title>
  </head>
  <body>
    <h1>{{ "Hello World!" | downcase }}</h1>
  </body>
</html>

```