Support command-line parameters.

- `--help`: print help menu.
- `--config`: specify which config file to use.
- `--version`: print version and exit.

1 files changed, 2 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 1d54179..561c288 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,5 @@ urandom = "0.1.0"
 bs58 = "0.4.0"
 tracing = "0.1.32"
 tracing-subscriber = "0.3.9"
-tracing-appender = "0.2.2"
\ No newline at end of file
+tracing-appender = "0.2.2"
+clap = { version = "3.1.6", features = ["derive"] }
\ No newline at end of file