Update README

README.md

@@ -1 +1,20 @@
-des-benchmarking
+# destools
+
+Tools to encrypt and brute force decrypt with des.
+
+## Usage
+
+```sh
+USAGE:
+    destools <SUBCOMMAND>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+SUBCOMMANDS:
+    create-dictionary    Create a dictionary rainbow-table from a txt file
+    decrypt              Decrypt a DES encoded file
+    encrypt              Encrypt a file with des
+    help                 Prints this message or the help of the given subcommand(s)
+```