feat(lang): added json support

lua/lazyvim/plugins/extras/lang/json.lua

@@ -0,0 +1,36 @@
+return {
+
+  -- add json to treesitter
+  {
+    "nvim-treesitter/nvim-treesitter",
+    opts = function(_, opts)
+      vim.list_extend(opts.ensure_installed, { "json", "json5", "jsonc" })
+    end,
+  },
+
+  -- correctly setup lspconfig
+  {
+    "neovim/nvim-lspconfig",
+    dependencies = { "b0o/schemastore.nvim" },
+    opts = {
+      -- make sure mason installs the server
+      servers = {
+        jsonls = {
+          -- lazy-load schemastore when needed
+          on_new_config = function(new_config)
+            new_config.settings.json.schemas = new_config.settings.json.schemas or {}
+            vim.list_extend(new_config.settings.json.schemas, require("schemastore").json.schemas())
+          end,
+          settings = {
+            json = {
+              format = {
+                enable = true,
+              },
+              validate = { enable = true },
+            },
+          },
+        },
+      },
+    },
+  },
+}