pycodestyle: Ignore E501 line too long error

We add this so that pyls does not complain about this. This could also
be done in LSP configuration, like below, but not doing that.

https://github.com/lukas-reineke/dotfiles/blob/master/vim/lua/lsp.lua

pycodestyle/.config/pycodestyle

@@ -0,0 +1,4 @@
+[pycodestyle]
+count = False
+ignore = E501
+statistics = True