Update docs to use npx

README.md

@@ -56,32 +56,19 @@ Example of `package.json` with good meta data:
 }
 ```
 
-## 📦 Install
-
-With npm:
-
-```sh
-npm i -g readme-md-generator
-```
-
-With yarn:
-
-```sh
-yarn global add readme-md-generator
-```
-
 ## 🚀 Usage
 
 Just run the following command at the root of your project and answer questions:
 
 ```sh
-readme
+npx readme-md-generator
 ```
 
-### Available options
+OR use default values for all questions (`-y, --yes`):
 
-- `--version` Display `readme-md-generator` version number
-- `-y, --yes` Use default values for all questions
+```sh
+npx readme-md-generator -y
+```
 
 ## 🤝 Contributing