Open all folds by default

templates/nvim/lua/options.lua.j2

@@ -20,6 +20,7 @@ vim.o.hidden = true
 
 -- folding
 vim.o.foldmethod = 'expr'
+vim.o.foldlevel = 99
 vim.o.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
 
 -- don't open folds when jumping over one with (, {, [[ or [{