Rename folder tools to cli to keep it consistent with crate naming

cli/stack_height/main.rs

@@ -0,0 +1,28 @@
+extern crate pwasm_utils as utils;
+extern crate parity_wasm;
+extern crate pwasm_utils_cli as logger;
+
+use std::env;
+use utils::stack_height;
+
+fn main() {
+	logger::init_log();
+
+	let args = env::args().collect::<Vec<_>>();
+	if args.len() != 3 {
+		println!("Usage: {} input_file.wasm output_file.wasm", args[0]);
+		return;
+	}
+
+	let input_file = &args[1];
+	let output_file = &args[2];
+
+	// Loading module
+	let module = parity_wasm::deserialize_file(&input_file).expect("Module deserialization to succeed");
+
+	let result = stack_height::inject_limiter(
+		module, 1024
+	).expect("Failed to inject stack height counter");
+
+	parity_wasm::serialize_to_file(&output_file, result).expect("Module serialization to succeed")
+}