(neovim) introduce markdown-toc

config/common/nvim/lua/plugins/common/markdown.lua

@@ -1,4 +1,5 @@
 return {
+  {
     "MeanderingProgrammer/render-markdown.nvim",
     ft = { "markdown", "norg", "rmd", "org", "codecompanion" },
     config = function()
@@ -17,4 +18,13 @@ return {
         },
       })
     end,
+  },
+  {
+    "hedyhli/markdown-toc.nvim",
+    ft = "markdown",
+    cmd = { "Mtoc" },
+    config = function()
+      require('mtoc').setup({})
+    end,
+  }
 }