readme: more detailed info

README.md

-# LaTeX template for theses at FIT CTU
-## Current maintainers
+LaTeX template for theses at FIT CTU
+===================================
+
+[![build status](https://gitlab.fit.cvut.cz/theses-templates/FITthesis-LaTeX/badges/master/build.svg)](https://gitlab.fit.cvut.cz/theses-templates/FITthesis-LaTeX/commits/master)
+
+
+About
+-----
+
+Recommended template for theses submitted at [Faculty of Information Technology](https://fit.cvut.cz) at [Czech Technical University in Prague](https://cvut.cz). For use with LaTeX 2e (pdfLaTeX, XeLaTeX, LuaLaTeX).
+
+Bugs and support
+--------
+
+Please submit bug reports using [issues](https://gitlab.fit.cvut.cz/theses-templates/FITthesis-LaTeX/issues).
+
+
+Current maintainers
+-------------------
 * [Ondřej Guth](https://usermap.cvut.cz/profile/guthondr)
 * [Eliška Šestáková](https://usermap.cvut.cz/profile/sestaeli)
-[![build status](https://gitlab.fit.cvut.cz/theses-templates/FITthesis-LaTeX/badges/master/build.svg)](https://gitlab.fit.cvut.cz/theses-templates/FITthesis-LaTeX/commits/master)