fix(examples): correct tailwind editor support (vercel#3438)

Thanks @gaspar09 for the identification and fix here. We were getting a
little too fancy for our own good I think. Passing the config right to
postcss works, but you lose all the editor niceties. Creating an empty
tailwind config that re exports our shared config get's full editor
support.

examples/with-tailwind/apps/docs/postcss.config.js

@@ -1,13 +1,9 @@
 // If you want to use other PostCSS plugins, see the following:
 // https://tailwindcss.com/docs/using-with-preprocessors
 
-const config = require("tailwind-config/tailwind.config.js");
-
 module.exports = {
   plugins: {
-    // Specifying the config is not necessary in most cases, but it is included
-    // here to share the same config across the entire monorepo
-    tailwindcss: { config },
+    tailwindcss: {},
     autoprefixer: {},
   },
 };

examples/with-tailwind/apps/docs/tailwind.config.js

@@ -0,0 +1,3 @@
+// tailwind config is required for editor support
+
+module.exports = require("tailwind-config/tailwind.config.js");

examples/with-tailwind/apps/web/postcss.config.js

@@ -1,13 +1,9 @@
 // If you want to use other PostCSS plugins, see the following:
 // https://tailwindcss.com/docs/using-with-preprocessors
 
-const config = require("tailwind-config/tailwind.config.js");
-
 module.exports = {
   plugins: {
-    // Specifying the config is not necessary in most cases, but it is included
-    // here to share the same config across the entire monorepo
-    tailwindcss: { config },
+    tailwindcss: {},
     autoprefixer: {},
   },
 };

examples/with-tailwind/apps/web/tailwind.config.js

@@ -0,0 +1,3 @@
+// tailwind config is required for editor support
+
+module.exports = require("tailwind-config/tailwind.config.js");

examples/with-tailwind/packages/ui/tailwind.config.js

@@ -1,3 +1,3 @@
-const config = require("tailwind-config/tailwind.config.js");
+// tailwind config is required for editor support
 
-module.exports = config;
+module.exports = require("tailwind-config/tailwind.config.js");