add link to live version

Author: nzbr

README.md

@@ -3,6 +3,8 @@
 `pandocode` is a pandoc filter that converts Python _(-like)_ code to LaTeX-Pseudocode.  
 It can also be used as a standalone program.
 
+## [Try it in your browser](https://pandocode.nzbr.de)
+
 ## Usage
 
 ### Standalone

flake.nix

@@ -48,7 +48,7 @@
             pkgs.pandoc
             pkgs.poppler_utils
             (pkgs.texlive.combine {
-                inherit (pkgs.texlive) scheme-basic algorithmicx xcolor standalone preview;
+                inherit (pkgs.texlive) scheme-basic algorithmicx xcolor standalone preview fancyvrb;
             })
             (pkgs.writeShellScriptBin "python-wrapper" ''
               export PYTHONPATH=${./.}