qwik: optimize

- make selected a store property and use a signal for cleanup
- use components at memoization boundaries
- pass as little props as possible, use context
- use keys to declare subtrees as unused

Author: wmertens

frameworks/keyed/qwik/README.md

@@ -1,6 +1,6 @@
 # Qwik
 
-Please note that this benchmark does not test the true power of Qwik, namely resumability. So the expected result is that Qwik is average in this benchmark, but it is much faster in real world applications than other frameworks.
+Please note that this benchmark does not test the true power of Qwik, namely resumability. So the expected result is that Qwik is average in this benchmark, but it is much faster in real world applications.
 
 See https://qwik.builder.io/docs/concepts/think-qwik/