feat: add new markdown plugins

lua/custom/plugins/markdown-mode.lua

@@ -0,0 +1,4 @@
+return {
+  "https://github.com/tadmccorkle/markdown.nvim",
+  opts = {},
+}

lua/custom/plugins/markdown.lua

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+return {
+  'MeanderingProgrammer/markdown.nvim',
+  name = 'render-markdown',                                                        -- Only needed if you have another plugin named markdown.nvim
+  dependencies = { 'nvim-treesitter/nvim-treesitter', 'echasnovski/mini.nvim' },   -- if you use the mini.nvim suite
+  -- dependencies = { 'nvim-treesitter/nvim-treesitter', 'echasnovski/mini.icons' }, -- if you use standalone mini plugins
+  -- dependencies = { 'nvim-treesitter/nvim-treesitter', 'nvim-tree/nvim-web-devicons' }, -- if you prefer nvim-web-devicons
+  config = function()
+    require('render-markdown').setup({})
+  end,
+}

lua/custom/plugins/no-neck.lua

@@ -0,0 +1,4 @@
+return {
+  "shortcuts/no-neck-pain.nvim",
+  opts = {},
+}