Readme improved.

Author: Zen0x7

README.md

@@ -1,5 +1,11 @@
 # Expressions
 
+## Usage
+
+![Something to understand how works ...](about.png)
+
+See more [examples](https://github.com/ZenAlgorithms/Expressions/blob/master/tests/implementation_test.cc) ...
+
 ## Build
 
 ```shell
@@ -10,24 +16,4 @@ cd build
 cmake ..
 make
 make install
-```
-
-## Usage
-
-```c++
-#include <expressions/container.hpp>
-
-using namespace std;
-
-auto _container = expressions::container::from_string("/api/servers/{server}/status");
-
-auto _result = _container->query("/api/servers/production/status");
-
-cout << _result->matches() << endl;
-// 1
-
-cout << _result->bindings()->at("server") << endl;
-// production
-```
-
-See more [examples](https://github.com/ZenAlgorithms/Expressions/blob/master/tests/implementation_test.cc) ...
+```