V0.3.3: Even more optimization

In this realease, I have further optimized Passport. The css that
Passport now uses is entirely handrolled and build via postcss (sadly).
Several bugs have also been fixed in this release, as well as a few
performance improvements relating to the admin UI.

postcss.config.js

@@ -0,0 +1,22 @@
+import { purgeCSSPlugin } from "@fullhuman/postcss-purgecss";
+import postcssPresetEnv from "postcss-preset-env";
+import postcssImport from "postcss-import";
+import cssnano from "cssnano";
+
+export default {
+    plugins: [
+        postcssImport,
+        purgeCSSPlugin({
+            content: ["./src/**/*.hbs", "./src/**/*.js"],
+        }),
+        postcssPresetEnv({
+            browsers: "last 4 versions",
+            // false *dsables* polyfills
+            features: {
+                "cascade-layers": false,
+            },
+            autoprefixer: false,
+        }),
+        cssnano,
+    ],
+};