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

vendor/pezkuwi-subxt/cli/src/main.rs

@@ -0,0 +1,38 @@
+// Copyright 2019-2025 Parity Technologies (UK) Ltd.
+// This file is dual-licensed as Apache-2.0 or GPL-3.0.
+// see LICENSE for license details.
+
+//! The Subxt CLI tool.
+
+mod commands;
+mod utils;
+
+use clap::Parser as ClapParser;
+
+/// Subxt utilities for interacting with Substrate based nodes.
+#[derive(Debug, ClapParser)]
+enum Command {
+    Metadata(commands::metadata::Opts),
+    Codegen(commands::codegen::Opts),
+    Compatibility(commands::compatibility::Opts),
+    Diff(commands::diff::Opts),
+    Version(commands::version::Opts),
+    Explore(commands::explore::Opts),
+    ChainSpec(commands::chain_spec::Opts),
+}
+
+#[tokio::main]
+async fn main() -> color_eyre::Result<()> {
+    color_eyre::install()?;
+    let args = Command::parse();
+    let mut output = std::io::stdout();
+    match args {
+        Command::Metadata(opts) => commands::metadata::run(opts, &mut output).await,
+        Command::Codegen(opts) => commands::codegen::run(opts, &mut output).await,
+        Command::Compatibility(opts) => commands::compatibility::run(opts, &mut output).await,
+        Command::Diff(opts) => commands::diff::run(opts, &mut output).await,
+        Command::Version(opts) => commands::version::run(opts, &mut output),
+        Command::Explore(opts) => commands::explore::run(opts, &mut output).await,
+        Command::ChainSpec(opts) => commands::chain_spec::run(opts, &mut output).await,
+    }
+}