Add structopt dependency in version 0.3.7

This patch series replaces argparse with structopt in the argument
handling code. As a first step, we need structopt as a dependency.

1 files changed, 4 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 63e6409..cbb735f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,6 +54,10 @@ version = "0.2"
 [dependencies.nitrokey]
 version = "0.4.0"
 
+[dependencies.structopt]
+version = "0.3.7"
+default-features = false
+
 [dev-dependencies.nitrokey-test]
 version = "0.3.1"