add codecompanin and change theme

lua/plugin-config/buffer_line.lua

@@ -1,3 +0,0 @@
-require("bufferline").setup({
-	options = {},
-})

lua/plugin-config/lua_line.lua

@@ -1,14 +1,14 @@
 -- 显示lsp_name
 local function lsp_name()
 	local msg = "No Active Lsp"
-	local buf_ft = vim.api.nvim_buf_get_option(0, "filetype")
-	local clients = vim.lsp.get_active_clients()
-	if next(clients) == nil then
+	local buf_ft = vim.api.nvim_get_option_value("filetype", { buf = 0 })
+	local clients = vim.lsp.get_clients({ bufnr = 0 })
+	if #clients == 0 then
 		return msg
 	end
 	for _, client in ipairs(clients) do
 		local filetypes = client.config.filetypes
-		if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
+		if filetypes and vim.tbl_contains(filetypes, buf_ft) then
 			return client.name
 		end
 	end