markdown: add mkdnflow plugin

- Adds mkdnflow plugin to add some notebook features.
- Removes the markdown and markdown_inline parsers for treesitter as it
  is not compatible with vim-pandoc-syntax (or the other way round).

Co-Authored-by: iGor milhit <igor@milhit.ch>

init.lua

@@ -325,7 +325,7 @@ vim.keymap.set('n', '<leader>sd', require('telescope.builtin').diagnostics, { de
 -- See `:help nvim-treesitter`
 require('nvim-treesitter.configs').setup {
   -- Add languages to be installed here that you want installed for treesitter
-  ensure_installed = { 'c', 'cpp', 'go', 'lua', 'markdown', 'markdown_inline', 'python', 'rust', 'tsx', 'typescript', 'vimdoc', 'vim' },
+  ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'tsx', 'typescript', 'vimdoc', 'vim' },
 
   -- Autoinstall languages that are not installed. Defaults to false (but you can change for yourself!)
   auto_install = false,

lua/custom/plugins/mkdnflow.lua

@@ -0,0 +1,19 @@
+-- Mkdownflow plugin.
+--   Allows to follow links, anchors, create links, and many more.
+--   https://github.com/jakewvincent/mkdnflow.nvim
+
+-- Keymaps for mkdnflow.
+--   Table
+vim.keymap.set({'n','x','v'}, '<leader>tf', '<cmd>MkdnTableFormat<CR>', {desc = 'Format table under cursor'})
+
+return {
+  {
+    "jakewvincent/mkdnflow.nvim",
+    ft = 'pandoc',
+    lazy = true,
+    config = function ()
+      require('mkdnflow').setup({
+    })
+    end
+  }
+}