Initial commit: self-hosted personal radio station

Flask + React web UI with audio player, podcast queue, feed management,
episode browser, music library, schedule viewer, and log tail.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/frontend/postcss.config.js

@@ -0,0 +1,11 @@
+import path from "path";
+import { fileURLToPath } from "url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+export default {
+  plugins: {
+    tailwindcss: { config: path.join(__dirname, "tailwind.config.js") },
+    autoprefixer: {},
+  },
+};