feat(nvim): reworked lsp, theme, cleanup

Signed-off-by: Ismo Vuorinen <ismo@ivuorinen.net>

config/nvim/lua/plugins/folke.lua

@@ -21,7 +21,7 @@ return {
         right = { 'fold', 'git' }, -- priority of signs on the right (high to low)
         folds = {
           open = true, -- show open fold icons
-          git_hl = false, -- use Git Signs hl for fold icons
+          git_hl = true, -- use Git Signs hl for fold icons
         },
         git = {
           -- patterns to match Git signs