Complete rebrand: Polkadot→Pezkuwi, Substrate→Bizinikiwi

- Replace PolkadotConfig with PezkuwiConfig
- Replace SubstrateConfig with BizinikiwConfig
- Rename config module files (polkadot.rs→pezkuwi.rs, substrate.rs→bizinikiwi.rs)
- Update all documentation and examples
- All 165 files updated, cargo check passes

subxt/examples/tx_with_params.rs

@@ -1,20 +1,20 @@
 #![allow(missing_docs)]
 use pezkuwi_subxt_signer::sr25519::dev;
 use pezkuwi_subxt::{
-	OnlineClient, PolkadotConfig, config::polkadot::PolkadotExtrinsicParamsBuilder as Params,
+	OnlineClient, PezkuwiConfig, config::pezkuwi::PezkuwiExtrinsicParamsBuilder as Params,
 };
 
-#[pezkuwi_subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_small.scale")]
-pub mod polkadot {}
+#[pezkuwi_subxt::subxt(runtime_metadata_path = "../artifacts/pezkuwi_metadata_small.scale")]
+pub mod pezkuwi {}
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
-	// Create a new API client, configured to talk to Polkadot nodes.
-	let api = OnlineClient::<PolkadotConfig>::new().await?;
+	// Create a new API client, configured to talk to Pezkuwi nodes.
+	let api = OnlineClient::<PezkuwiConfig>::new().await?;
 
 	// Build a balance transfer extrinsic.
 	let dest = dev::bob().public_key().into();
-	let tx = polkadot::tx().balances().transfer_allow_death(dest, 10_000);
+	let tx = pezkuwi::tx().balances().transfer_allow_death(dest, 10_000);
 
 	// Configure the transaction parameters; we give a small tip and set the
 	// transaction to live for 32 blocks from the `latest_block` above.