readme lua additions

readme.md

@@ -12,6 +12,14 @@ We now use clap for parsing the cli args, so dont try the old way!
 - `--port`    : a port where the webserver opens
 - `--root`    : the directory where the webserver serves files from
 - `--threads` : Number of threads to use (default : 2)
+- `--lua-plugin` : A lua plugin (path to it)
+- `--lua-arg` : example debug
+
+## More on Lua plugins:
+
+Currently its only semi implemented but its on the way. You can load a plugin and depending on where it lives the lua plugin will always choose its own
+directory as its current working directory. that is the only thing which i need to mention! Documentation wise its very bad, a wiki of how the Plugin API works
+will have to be written!
 
 ## Docker