testing on mobile + basic cleanup

Cargo.toml

@@ -1,12 +1,10 @@
 [workspace]
-members = ["ooniauth-core", "ooniauth-py"]
+members = ["ooniauth-core", "ooniauth-ffi", "ooniauth-py"]
 resolver = "2"
 
 [workspace.dependencies]
 rand = "0.8.5"
 bincode = "1"
-# cmz = "0.1.0"
-cmz = {git = "https://github.com/sigma-rs/cmz"}
+cmz = { git = "https://github.com/sigma-rs/cmz" }
 serde = "1.0.219"
 thiserror = "2.0.12"
-

Readme.md

@@ -1,14 +1,14 @@
 # OONI User Auth
 
-To set this up you should run:
-```
-make include
+Run example:
+```bash
+cargo run -p ooniauth-core --example basic_usage
 ```
 
-Make sure you have setup ssh keys to clone the repositories listed in the
-Makefile.
+iOS build:
+Open `ios/OoniAuthApp.xcodeproj` in Xcode.
 
-You can then build it as usual with:
-```
-cargo build
+Criterion benchmark (same flow):
+```bash
+cargo bench -p ooniauth-core --bench bench_basic_usage
 ```