home: vim: use actual lua files

Since most of the settings are actually just lua in a VimL file.

home/vim/plugin/settings/fastfold.lua

@@ -0,0 +1,4 @@
+-- Intercept all fold commands
+vim.g.fastfold_fold_command_suffixes = {
+    "x", "X", "a", "A", "o", "O", "c", "C", "r", "R", "m", "M", "i", "n", "N",
+}