fix: Convert vendor/pezkuwi-subxt from submodule to regular directory

vendor/pezkuwi-subxt/subxt/examples/tx_with_params.rs

@@ -0,0 +1,28 @@
+#![allow(missing_docs)]
+use subxt::config::polkadot::PolkadotExtrinsicParamsBuilder as Params;
+use subxt::{OnlineClient, PolkadotConfig};
+use pezkuwi_subxt_signer::sr25519::dev;
+
+#[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_small.scale")]
+pub mod polkadot {}
+
+#[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?;
+
+    // Build a balance transfer extrinsic.
+    let dest = dev::bob().public_key().into();
+    let tx = polkadot::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.
+    let tx_params = Params::new().tip(1_000).mortal(32).build();
+
+    // submit the transaction:
+    let from = dev::alice();
+    let hash = api.tx().sign_and_submit(&tx, &from, tx_params).await?;
+    println!("Balance transfer extrinsic submitted with hash : {hash}");
+
+    Ok(())
+}