Update cheatsheets

ember

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ember
+
+> Ember CLI: create and manage Ember.js applications.
+> More information: <https://cli.emberjs.com>.
+
+- Create a new Ember application:
+
+`ember new {{my_new_app}}`
+
+- Create a new Ember addon:
+
+`ember addon {{my_new_addon}}`
+
+- Build the project:
+
+`ember build`
+
+- Build the project in production mode:
+
+`ember build -prod`
+
+- Run the development server:
+
+`ember serve`
+
+- Run the test suite:
+
+`ember test`
+
+- Run a blueprint to generate something like a route or component:
+
+`ember generate {{type}} {{name}}`
+
+- Install an ember-cli addon:
+
+`ember install {{name_of_addon}}`