refactor: add lspconfig for json

lua/plugins/lspconfig.lua

@@ -14,6 +14,7 @@ return {
             { "j-hui/fidget.nvim", opts = {} },
             -- Allows extra capabilities provided by nvim-cmp
             "hrsh7th/cmp-nvim-lsp",
+            "b0o/schemastore.nvim",
         },
         config = function()
             local util = require("lspconfig/util")
@@ -204,6 +205,14 @@ return {
                         },
                     },
                 },
+                jsonls = {
+                    settings = {
+                        json = {
+                            schemas = require("schemastore").json.schemas(),
+                            validate = { enable = true },
+                        },
+                    },
+                },
             }
 
             -- Ensure the servers and tools above are installed
@@ -225,6 +234,7 @@ return {
                 "prettierd",
                 "eslint_d",
                 "gopls",
+                "jsonls",
             })
             require("mason-tool-installer").setup({ ensure_installed = ensure_installed })