📝 add dependencies infos in README.md.

README.md

@@ -2,17 +2,24 @@
 Pywiq is a text editor specialized in programming and running
 exclusively on the terminal.
 
+## Dependencies
+Pywiq relies on some libraries you must install before compiling.
+
+- ncursesw (for terminal interactions)
+- catch2 (for testing)
 
 ## How to install
 Installing Pywiq is as easy as using a Makefile.
 Behind it, the project uses meson build system.
+Before running the following command, make sure
+having installed Pywiq's dependencies.
 
 ```bash
 $ sudo make install
 ```
 
-It will build, test and install pywiq. Once installed, you can run
-pywiq using the command ``pwq``.
+It will build, test and install Pywiq. Once installed, you can run
+Pywiq using the command ``pwq``.
 
 ## How to contribute ?
 Don't.