feat: add api controllers and routes for browser extension

app/api/tokens/lib/index.ts

@@ -0,0 +1,11 @@
+import { HttpContext } from '@adonisjs/core/http';
+
+export function getTokenFromHeader(ctx: HttpContext) {
+	const authHeader = ctx.request.header('Authorization');
+
+	if (!authHeader || !authHeader.startsWith('Bearer ')) {
+		return null;
+	}
+
+	return authHeader.substring(7);
+}