fix(clients): repair Python & Rust tests, add container test orchestration

- Python: fix wire protocol test method names (bool_val -> bool, etc.)
- Python: make integration tests and example fully async with pytest-asyncio
- Rust: add tokio dev-dependency and convert integration tests to async/await
- Rust: update ping_test example to async
- Nim: remove committed ELF build artifact
- Docker: add BARADB_HOST/BARADB_PORT env vars to test containers
- Docker: fix docker-compose.test.yml usage (remove --abort-on-container-exit)
- Add scripts/test-clients.sh for sequential client test runs
- Remove docker-compose.test.yml from .gitignore so it is tracked
- Fix repository URLs in Python and Rust READMEs

clients/rust/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 authors = ["BaraDB Team <team@baradb.dev>"]
 description = "Official async Rust client for BaraDB — binary protocol client"
 license = "Apache-2.0"
-repository = "https://github.com/katehonz/barabaDB"
+repository = "https://github.com/barabadb/baradadb.git"
 documentation = "https://docs.baradb.dev"
 readme = "README.md"
 keywords = ["database", "baradb", "multimodal", "client", "wire-protocol"]
@@ -16,6 +16,7 @@ rust-version = "1.70"
 tokio = { version = "1.35", features = ["full"] }
 
 [dev-dependencies]
+tokio = { version = "1.35", features = ["full"] }
 
 [[example]]
 name = "basic"