Add Tampio hello world example, syntax.css, and update README

README.md

@@ -12,12 +12,20 @@ The easiest way to try Tampio, no manual `libvoikko` setup required:
 docker compose run --rm tampio
 ```
 
-This drops you into a shell with `tampio` available. Run any example:
+This drops you into a shell with `tampio` available. Compile an example to HTML:
 
 ```sh
-tampio examples/basics/hello.tampio
+tampio -i -p examples/basics/hello.itp > examples/basics/hello.html
 ```
 
+Then serve it locally and open it in your browser:
+
+```sh
+python3 -m http.server 9994 --directory examples/basics
+```
+
+Go to `http://localhost:9994/hello.html`.
+
 ## What is Tampio?
 
 Tampio programs read like Finnish sentences. Methods are defined using grammatical cases, so the language's syntax is shaped by natural-language morphology rather than punctuation.