updated README

README.md

@@ -40,3 +40,19 @@
  GNU General Public License for more details.
  https://www.gnu.org/licenses/
 
+## Quickstart
+
+__Prerequisites:__
+To use LBMAT, you need to install
+[GNU make](https://www.gnu.org/software/make/),
+[GNU GCC](https://gcc.gnu.org/),
+[Git](https://git-scm.com/),
+[Python 3](https://www.python.org/),
+[GiNaC](https://ginac.de/),
+and [TeX Live](https://tug.org/texlive/).
+LBMAT was tested on Linux systems, but you may have luck using it on other operating systems too.
+
+1. Clone the repository: `git clone https://mmg-gitlab.fjfi.cvut.cz/gitlab/lbm/lbmat.git`
+2. Select the model and go to its directory, e.g. `cd lbmat/d1q3_ade`
+3. Run LBMAT for the model: `make`
+4. Open the generated PDF file, e.g. `supp_d1q3_ade.pdf`