feat: add pezkuwi-zombienet-cli crate

- New CLI binary for network orchestration
- Spawn command with native/docker/k8s providers
- Backward compatibility: parachains -> teyrchains alias
- Backward compatibility: onboard_as_parachain alias

Successfully tested with 21-validator mainnet simulation:
- 21/21 GRANDPA votes
- Block production and finality working
- Asset Hub and People Chain teyrchains running

vendor/pezkuwi-zombienet-sdk/crates/cli/Cargo.toml

@@ -0,0 +1,32 @@
+[package]
+name = "pezkuwi-zombienet-cli"
+version.workspace = true
+authors.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+publish = true
+license.workspace = true
+repository.workspace = true
+description = "Pezkuwi Zombienet CLI - Network orchestration tool for Pezkuwi blockchain testing"
+keywords = ["blockchain", "pezkuwi", "cli", "zombienet"]
+
+[[bin]]
+name = "pezkuwi-zombienet"
+path = "src/main.rs"
+
+[dependencies]
+anyhow = { workspace = true }
+clap = { workspace = true, features = ["derive"] }
+tokio = { workspace = true, features = ["full"] }
+tracing = { workspace = true }
+tracing-subscriber = { workspace = true, features = ["env-filter"] }
+
+# Zombienet SDK deps
+pezkuwi-zombienet-sdk = { workspace = true }
+configuration = { workspace = true }
+orchestrator = { workspace = true }
+provider = { workspace = true }
+support = { workspace = true }
+
+[features]
+default = []