* Add more read/write methods for string signals
* add helpers for HashMap and HashSet as well
* fix typo
* fix conflicting string and str extensions
* fix counters example
overhaul dioxus fullstack using a new implementation of server_fn
This PR is a complete rewrite of dioxus fullstack designed to improve compatibility with axum and to fix a number of compilation errors based on feature flag unification plumbing through macros.
Evan Almloff