refactor(docs): switching from mustache to handlebars

Author: mfranzke

packages/docs/src/docs/advanced-config-options.md

@@ -178,7 +178,7 @@ Sets the configurable source and public directories for files Pattern Lab Node o
 
 Sets the panel name and language for the code tab on the styleguide. Since this only accepts one value, this is a place where mixed pattern trees (different PatternEngines in the same instance of Pattern Lab) does not quite work.
 
-**default**: `mustache`
+**default**: `hbs`
 
 ## engines
 

packages/docs/src/docs/advanced-ecosystem-overview.md

@@ -44,7 +44,7 @@ UIKits are the front-end of Pattern Lab. We call this “The Viewer.” UIKits a
 
 ### PatternEngines
 
-PatternEngines are the templating engines that are responsible for parsing patterns and turning them into HTML. PatternEngines give Pattern Lab Core the flexibility to render many different types of template languages. Current PatternEngines include Mustache and Twig, with others like Handlebars and Underscore in development. And there’s no stopping you from adding another templating engine to Pattern Lab.
+PatternEngines are the templating engines that are responsible for parsing patterns and turning them into HTML. PatternEngines give Pattern Lab Core the flexibility to render many different types of template languages. Current PatternEngines include Handlebars and Twig, with others like React and Underscore in development. And there’s no stopping you from adding another templating engine to Pattern Lab.
 
 ### Plugins
 

packages/docs/src/docs/advanced-keyboard-shortcuts.md

@@ -28,7 +28,7 @@ Modifying the views:
 - **ctrl+shift+a**: open/close info panels
 - **ctrl+shift+c**: open/close info panels
 - **cmd+a/ctrl+a**: select the content of the current open tab in code view
-- **ctrl+shift+u**: make the Mustache tab active
+- **ctrl+shift+u**: make the Handlebars tab active
 - **ctrl+shift+y**: make the HTML tab active
 - **esc**: close the open view
 

packages/docs/src/docs/advanced-starterkits.md

@@ -44,8 +44,8 @@ where [starterkit-name] is the name of the Starterkit.
 so... a complete example:
 
 ```
-npm install @pattern-lab/starterkit-mustache-demo
-gulp patternlab:loadstarterkit --kit=@pattern-lab/starterkit-mustache-demo
+npm install @pattern-lab/starterkit-handlebars-demo
+gulp patternlab:loadstarterkit --kit=@pattern-lab/starterkit-handlebars-demo
 ```
 
 The [Pattern Lab Node CLI](https://github.com/pattern-lab/patternlab-node/tree/master/packages/cli) will also support installation of Starterkits should you not be using gulp.

packages/docs/src/docs/advanced-template-language-and-pattern-engines.md

@@ -10,9 +10,9 @@ eleventyNavigation:
 sitemapPriority: '0.8'
 ---
 
-By default Pattern Lab uses the Mustache template language, extended with [pattern parameters](/docs/using-pattern-parameters/). PatternEngines let you add support for a template language of your personal choice. Each PatternEngine has it's own set of features and caveats.
+By default Pattern Lab uses the Handlebars template language, extended with [pattern parameters](/docs/using-pattern-parameters/). PatternEngines let you add support for a template language of your personal choice. Each PatternEngine has it's own set of features and caveats.
 
-Right now the most mature PatternEngines are Handlebars, Mustache and Twig.
+Right now the most mature PatternEngines are Handlebars and Twig.
 
 ## Official PatternEngines for Node
 

packages/docs/src/docs/pattern-pseudo-patterns.md

@@ -33,7 +33,7 @@ From a navigation and naming perspective `patternName` and `pseudoPatternName` w
 
 ## Adding Pseudo-Patterns to Your Project
 
-Adding a pseudo-pattern is as simple as naming it correctly and following the [pattern-specific JSON file](/docs/creating-pattern-specific-values/) instructions for organizing its content. Let's look at a simple example where we want to show an emergency notification on our homepage Mustache template. Our `templates/` directory might look like this:
+Adding a pseudo-pattern is as simple as naming it correctly and following the [pattern-specific JSON file](/docs/creating-pattern-specific-values/) instructions for organizing its content. Let's look at a simple example where we want to show an emergency notification on our homepage Handlebars template. Our `templates/` directory might look like this:
 
     article.hbs
     blog.hbs

packages/starterkit-twig-demo/README.md

@@ -3,7 +3,7 @@
 
 # Demo StarterKit for Twig
 
-The Demo StarterKit for Twig is meant to be used as a demo that highlights how to combine Twig and Pattern Lab. It is currently very thin. We're looking for maintainers who may be interested in making this demo the equal to if not better than the Mustache demo.
+The Demo StarterKit for Twig is meant to be used as a demo that highlights how to combine Twig and Pattern Lab. It is currently very thin. We're looking for maintainers who may be interested in making this demo the equal to if not better than the Handlebars demo.
 
 ## Requirements