chore: rename main file to szakdolgozat

flake.nix

@@ -22,7 +22,7 @@
       systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
       perSystem = { config, self', inputs', pkgs, system, ... }: {
         document.source = ./src;
-        document.mainFile = "style";
+        document.mainFile = "szakdolgozat";
         packages.default = config.packages.document;
         devShells.default = config.devShells.document;