OONI User Auth

Run example:

cargo run -p ooniauth-core --release --example basic_usage

iOS build: Open ios/OoniAuthApp.xcodeproj in Xcode.

Criterion benchmark (same flow):

cargo bench -p ooniauth-core
cargo bench -p ooniauth_py

To generate a flamegraph for ooniath_py benchmarks:

cargo bench -p ooniauth_py --bench bench_server  -- --profile-time 5

The resulting report will be stored on target/criterion/server.handle_submit_request_with_hash/profile/flamegraph.svg