refractor(nvim): Put lang specific config to plugins/mod/lang

* Local leader to <C-k>
* Add org mappings to match emacs behaviour
* Put lang specific config to plugins/mod/lang, currently markdown and
org

tools/nvim/lua/plugins/mod/lualine/components.lua

@@ -112,6 +112,13 @@ M.progress = {
   "progress",
 }
 
+-- TODO: Implement orgmode
+M.orgmode = {
+  function()
+    return _G.orgmode.statusline()
+  end,
+}
+
 -- local conditions = {
 --   buffer_not_empty = function()
 --     return vim.fn.empty(vim.fn.expand("%:t")) ~= 1