Include reference to integration example file

Author: alandefreitas

README.md

@@ -2050,6 +2050,7 @@ The headers `common.h` and `colors.h` include a number of utilities we use in ou
 
 If you are interested in understanding how the library works, you can read the details in the complete [article](docs/README.md). It describes the relationship between its main objects, the backend interface, how to create new plot categories, limitations, and compares this library with similar alternatives. 
 <!-- END mdsplit-ignore -->
+
 ## Integration
 
 ### Binary Packages
@@ -2058,7 +2059,7 @@ Get the binary package from the [release section](https://github.com/alandefreit
 
 If you need a more recent version of Matplot++, you can download the [binary packages from the CI artifacts](https://github.com/alandefreitas/matplotplusplus/actions?query=workflow%3AMatplotplusplus+event%3Apush) or build the library [from the source files](#build-from-source). 
 
-Once the package is installed, you can link your C++ program to the library and include the directories where you installed Matplot++. Unless you changed the default options, the library is likely to be in `/usr/local/` (Linux / Mac OS) or `C:/Program Files/` (Windows). The installer will try to find the directory where you usually keep your  libraries but that's not always perfect.
+Once the package is installed, you can link your C++ program to the library and include the directories where you installed Matplot++. Unless you changed the default options, the library is likely to be in `/usr/local/` (Linux / Mac OS) or `C:/Program Files/` (Windows). The installer will try to find the directory where you usually keep your libraries but that's not always perfect.
 
 If you are using CMake, you can then find Matplot++ with the usual `find_package` command:
 
@@ -2068,7 +2069,9 @@ find_package(Matplot++ REQUIRED)
 target_link_libraries(my_target PUBLIC Matplot++::matplot)
 ```
 
-CMake should be able to locate the `matplot++-config.cmake` script automatically if you installed the library under `/usr/local/` (Linux / Mac OS) or `C:/Program Files/` (Windows). Otherwise, you need to include your installation directory in `CMAKE_MODULE_PATH` first: 
+You can see a complete example in [`test/integration/CMakeLists.txt`](test/integration/CMakeLists.txt).
+
+CMake should be able to locate the `matplot++-config.cmake` script automatically if you installed the library under `/usr/local/` (Linux / Mac OS) or `C:/Program Files/` (Windows). Otherwise, if the library is under another directory, like `C:/Program Files (x86)` or `C:/Program Files (x86)/`, you need to include your installation directory in `CMAKE_MODULE_PATH` first: 
 
 ```cmake
 list(APPEND CMAKE_MODULE_PATH put/your/installation/directory/here)