feat(nvim): reworked lsp, theme, cleanup

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

config/nvim/lua/plugins/neotree.lua

@@ -54,9 +54,7 @@ return {
     event_handlers = {
       {
         event = 'file_opened',
-        handler = function(_)
-          require('neo-tree.command').execute { action = 'close' }
-        end,
+        handler = function(_) require('neo-tree.command').execute { action = 'close' } end,
       },
     },
     default_component_configs = {