config: Suppress spurious "missing field" warnings from LSP #444
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This is a bit of an RFC, as I am not entirely sure it is the right place for the fix.
lua_ls marks fields that are missing in the configuration. Since they are not marked as optional in the Comment.nvim source code, I get a big "Missing required fields" warning as in the "Before" picture
This PR marks the fields explicitly as optional, giving the "After" picture. I modeled the fix after #hrsh7th/nvim-cmp/pull/1723 .
Before:

After:
