Tidy up

- Add help docs for most sections
- Add translations documentation
- Fix up todos
- Remove german translation

frontend/vite.config.ts

@@ -47,4 +47,5 @@ export default defineConfig({
 		environment: "happy-dom",
 		setupFiles: ["./vitest-setup.js"],
 	},
+	assetsInclude: ["**/*.md", "**/*.png", "**/*.svg"],
 });