Update cheatsheets

tldr/ng-add

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ng add
+
+> Add and configure packages for the current workspace project.
+> More information: <https://angular.dev/cli/add>.
+
+- Add a package to the current project:
+
+`ng add {{package}}`
+
+- Add multiple packages:
+
+`ng add {{package1 package2 ...}}`
+
+- Add a specific version of a package:
+
+`ng add {{package}}@{{version}}`
+
+- Skip the confirmation prompt:
+
+`ng add {{package}} --skip-confirmation`
+
+- Disable interactive prompts:
+
+`ng add {{package}} --interactive false`
+
+- Display verbose output about internal operations:
+
+`ng add {{package}} --verbose`
+
+- Perform a dry run without making any changes:
+
+`ng add {{package}} {{[-d|--dry-run]}}`