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

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

@@ -0,0 +1,30 @@
+#![allow(missing_docs)]
+use subxt::utils::AccountId32;
+use subxt::{OnlineClient, config::PolkadotConfig};
+use pezkuwi_subxt_signer::sr25519::dev;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Create a client to use:
+    let api = OnlineClient::<PolkadotConfig>::new().await?;
+
+    // Create a "dynamic" runtime API payload that calls the
+    // `AccountNonceApi_account_nonce` function. We could use the
+    // `scale_value::Value` type as output, and a vec of those as inputs,
+    // but since we know the input + return types we can pass them directly.
+    // There is one input argument, so the inputs are a tuple of one element.
+    let account: AccountId32 = dev::alice().public_key().into();
+    let runtime_api_call =
+        subxt::dynamic::runtime_api_call::<_, u64>("AccountNonceApi", "account_nonce", (account,));
+
+    // Submit the call to get back a result.
+    let nonce = api
+        .runtime_api()
+        .at_latest()
+        .await?
+        .call(runtime_api_call)
+        .await?;
+
+    println!("Account nonce: {:#?}", nonce);
+    Ok(())
+}