test that flutter_rust_bridge works

flutter_app/rust/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "rust_lib_flutter_app"
+version = "0.1.0"
+edition = "2024"
+
+[lib]
+crate-type = ["cdylib", "staticlib"]
+
+[dependencies]
+flutter_rust_bridge = "=2.11.1"
+cjdic2-core = { path = "../../src-core" }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(frb_expand)'] }