readme upd

README.md

@@ -12,20 +12,23 @@ Dependencies
 * doxygen (to make docs)
 * catch2 (to run tests)
 
-Extensions
+Installation
-----------
+------------
-* [inja](https://github.com/pantor/inja) (template rendering,
-  requires [nlohmann/json](https://github.com/nlohmann/json))
-
-Building
---------
 You need:
 * GNU Make
 * C compiler with C99 support
 * C++ compiler with C++98 and C++17 support
 
+```sh
+make install clean
+```
 Run `make help` to see targets, flags and arguments.
 
+Extensions
+----------
+* [inja](https://github.com/pantor/inja) (template rendering,
+  requires [nlohmann/json](https://github.com/nlohmann/json))
+
 Examples
 --------
 See [examples](examples).