Update readme

readme.md

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-# NodeJS
+# NodeJS Ansible Role
 
+Installs and configures Node.js on Debian systems. Supports installation via Nodesource repository or nvm (Node Version Manager). Also includes optional PM2, npm modules, and Composer installation.
+
+## Requirements
+
+- Ansible 2.1+
+- Debian 10, 11, or 12
+
+## Role Variables
+
+| Variable | Default | Description |
+|----------|---------|-------------|
+| `nodejs_version` | `20.x` | Node.js version to install (LTS recommended) |
+| `nodejs_nvm` | `false` | Install Node.js via nvm instead of system package |
+| `nodejs_nvm_version` | `20.0.0` | Node.js version to install via nvm |
+| `nodejs_user` | `root` | User to install Node.js and npm packages for |
+| `npm_modules` | `[]` | List of additional npm modules to install |
+| `composer` | `false` | Install Composer (PHP dependency manager) |
+
+## Dependencies
+
+None
+
+## Example Playbook
+
+### Basic Installation (System Node.js)
+
+```yaml
+- hosts: servers
+  roles:
+    - lsa.nodejs
+```
+
+### Install Node.js via nvm
+
+```yaml
+- hosts: servers
+  roles:
+    - role: lsa.nodejs
+      nodejs_nvm: true
+      nodejs_nvm_version: 20.0.0
+      nodejs_user: deploy
+```
+
+### Install with Additional npm Modules
+
+```yaml
+- hosts: servers
+  roles:
+    - role: lsa.nodejs
+      nodejs_user: deploy
+      npm_modules:
+        - name: typescript
+        - name: nodemon
+        - name: pm2
+          enable: true
+```
+
+### Install with Composer
+
+```yaml
+- hosts: servers
+  roles:
+    - role: lsa.nodejs
+      composer: true
+```
+
+## License
+
+Apache-2.0
+
+## Author
+
+Michael Hettwer - Linux-Server-Admin.com S.R.O.
+
+## Notes
+
+- When `nodejs_nvm` is enabled, nvm v0.40.4 is installed for the specified user
+- PM2 is always installed globally regardless of other settings
+- The `become_flags: -i` is used to ensure interactive shell execution for proper profile loading