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/configuration/src/network.rs

@@ -33,7 +33,7 @@ pub struct NetworkConfig {
 	#[serde(rename = "settings", default = "GlobalSettings::default")]
 	global_settings: GlobalSettings,
 	relaychain: Option<RelaychainConfig>,
-	#[serde(skip_serializing_if = "std::vec::Vec::is_empty", default)]
+	#[serde(skip_serializing_if = "std::vec::Vec::is_empty", default, alias = "parachains")]
 	teyrchains: Vec<TeyrchainConfig>,
 	#[serde(skip_serializing_if = "std::vec::Vec::is_empty", default)]
 	hrmp_channels: Vec<HrmpChannelConfig>,

vendor/pezkuwi-zombienet-sdk/crates/configuration/src/teyrchain.rs

@@ -114,7 +114,7 @@ pub struct TeyrchainConfig {
 	chain: Option<Chain>,
 	#[serde(flatten)]
 	registration_strategy: Option<RegistrationStrategy>,
-	#[serde(skip_serializing_if = "super::utils::is_true", default = "default_as_true")]
+	#[serde(skip_serializing_if = "super::utils::is_true", default = "default_as_true", alias = "onboard_as_parachain")]
 	onboard_as_teyrchain: bool,
 	#[serde(rename = "balance", default = "default_initial_balance")]
 	initial_balance: U128,