refactor(nvim): split up lang configs in separate files

common/home/neovim/langs/markdown.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  pkgs,
+  lib,
+  vimplugin-easytables-src,
+  ...
+}: let
+  inherit (config.vars) neovimIde;
+  inherit (pkgs) vimPlugins;
+
+  buildPlugin = pname: src:
+    pkgs.vimUtils.buildVimPlugin {
+      inherit pname src;
+      version = src.shortRev;
+    };
+in
+  lib.mkIf neovimIde {
+    programs = {
+      neovim = {
+        coc.settings = {
+          markdownlint.config = {
+            no-trailing-spaces = true;
+            no-multiple-blanks = false;
+            no-duplicate-heading = false;
+            line-length = {
+              tables = false;
+            };
+          };
+        };
+
+        plugins = [
+          vimPlugins.markdown-preview-nvim
+          vimPlugins.coc-markdownlint
+          {
+            plugin = buildPlugin "easytables-nvim" vimplugin-easytables-src;
+            type = "lua";
+            config =
+              /*
+              lua
+              */
+              ''
+                require('easytables').setup();
+              '';
+          }
+        ];
+      };
+    };
+  }