update to autoexec and neovim

.config/nvim/lua/polish.lua

@@ -1,5 +1,6 @@
-if true then return end -- WARN: REMOVE THIS LINE TO ACTIVATE THIS FILE
-
 -- This will run last in the setup process.
 -- This is just pure lua so anything that doesn't
 -- fit in the normal config locations above can go here
+
+-- Set the conceal level for prettier formatting in LaTeX and Markdown
+vim.opt.conceallevel = 2