Update cheatsheets

ng

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ng
+
+> Create and manage Angular applications.
+> More information: <https://angular.io/cli>.
+
+- Create a new Angular application inside a directory:
+
+`ng new {{project_name}}`
+
+- Add a new component to one's application:
+
+`ng generate component {{component_name}}`
+
+- Add a new class to one's application:
+
+`ng generate class {{class_name}}`
+
+- Add a new directive to one's application:
+
+`ng generate directive {{directive_name}}`
+
+- Run the application with the following command in its root directory:
+
+`ng serve`
+
+- Build the application:
+
+`ng build`
+
+- Run unit tests:
+
+`ng test`
+
+- Display the version of your current Angular installation:
+
+`ng version`