doc: update examples READMEs

examples/README.md

@@ -7,3 +7,13 @@ To simply scaffold the base project run in your terminal:
 ```shell
 $ tuono new [NAME]
 ```
+
+You can install any example included in this folder by just using the `--template` flag:
+
+```shell
+$ tuono new [NAME] --template [TEMPLATE] 
+```
+
+`[TEMPLATE]` is the folder name.
+
+

examples/tutorial/README.md

@@ -1,3 +1,9 @@
 # Tuono tutorial
 
 This project is the outcome of the [tuono tutorial](https://github.com/Valerioageno/tuono/blob/main/docs/tutorial.md)
+
+If you want to directly install it you can run:
+
+```bash
+$ tuono new my-project -t tutorial
+```