fix: correct import statements for @tailwindcss/postcss and @prefresh/vite

Author: SisyphusZheng

packages/plugin-tailwindcss/src/mod.ts

@@ -1,5 +1,5 @@
 import type { Builder } from "fresh/dev";
-import twPostcss from "@tailwindcss/postcss";
+import { postcss as twPostcss } from "@tailwindcss/postcss";
 import postcss from "postcss";
 import type { TailwindPluginOptions } from "./types.ts";
 

packages/plugin-vite/src/mod.ts

@@ -6,7 +6,7 @@ import {
 } from "./utils.ts";
 import { deno } from "./plugins/deno.ts";
 
-import prefresh from "@prefresh/vite";
+import { prefresh } from "@prefresh/vite";
 import { serverEntryPlugin } from "./plugins/server_entry.ts";
 import { clientEntryPlugin } from "./plugins/client_entry.ts";
 import { devServer } from "./plugins/dev_server.ts";
@@ -258,7 +258,7 @@ export function fresh(config?: FreshViteConfig): Plugin[] {
     ...devServer(fConfig),
     prefresh({
       include: [/\.[cm]?[tj]sx?$/],
-      exclude: [/node_modules/, /[\\/]+deno[\\/]+npm[\\/]+/],
+      exclude: [/node_modules/, /[\\\/]+deno[\\\/]+npm[\\\/]+/],
       parserPlugins: [
         "importMeta",
         "explicitResourceManagement",