📝 add README.md

Author: yjaaidi

README.md

@@ -0,0 +1,18 @@
+jwtgen allows you to generate a JWT signed with your SSH private key.
+You can then add your public key to the authorized keys of the targeted API.
+
+# Usage
+
+```sh
+npm install -g @marmicode/jwtgen
+```
+
+```sh
+jwtgen
+```
+
+![](usage.gif)
+
+# Gotchas
+
+RSA key must be in PEM format, generated with `ssh-keygen -m pem`.