Add unsend campaign feature (#45)

* Add unsend email editor

Add email editor

Add more email editor

Add renderer partial

Add more marketing email features

* Add more campaign feature

* Add variables

* Getting there

* campaign is there mfs

* Add migration

packages/email-editor/postcss.config.cjs

@@ -0,0 +1,7 @@
+const config = {
+  plugins: {
+    tailwindcss: {},
+  },
+};
+
+module.exports = config;