Update readme

README.md

@@ -10,7 +10,7 @@
 sudo python3 setup.py install
 ```
 
-### Windows (from PowerShell)
+### Windows (from PowerShell untested)
 
   ```powershell
 & $(where.exe python).split()[0] setup.py install
@@ -19,5 +19,38 @@ sudo python3 setup.py install
 ## Usage
 
   ```bash
-nc_password_client.py [--debug-level|-d CRITICAL|ERROR|WARNING|INFO|DEBUG|NOTSET] # Other parameters
+Usage: nc_password_client.py [OPTIONS] COMMAND [ARGS]...
+
+  Client function to pass context
+
+Options:
+  -d, --debug-level [CRITICAL|ERROR|WARNING|INFO|DEBUG|NOTSET]
+                                  Set the debug level for the standard output.
+  -l, --log-file TEXT             File to store all debug messages.
+  -H, --host TEXT                 Nextcloud host name  [required]
+  -u, --user TEXT                 Nextcloud user name  [required]
+  -a, --api-token TEXT            Nextcloud user's application token
+                                  [required]
+  -p, --cse-password TEXT         Nextcloud user's end-to-end encryption
+                                  password
+  -t, --timeout INTEGER           Nextcloud user's end-to-end encryption
+                                  password
+  -c, --cache-duration INTEGER    Number of seconds to hold the list of
+                                  passwords
+  -P, --https-proxy TEXT          HTTPS proxy to use to connect to the
+                                  Nextcloud instance
+  --config FILE                   Read configuration from FILE.
+  --help                          Show this message and exit.
+
+Commands:
+  create-password          Create a password
+  create-passwords-folder  Create a password folder
+  delete-all-passwords     Delete all passwords
+  delete-password          Delete a password
+  delete-passwords-folder  Delete a password folder
+  list-passwords-folders   List all password folders
+  ls                       List all password
+  migrate-pass             Migrate password store passwords to Nextcloud...
+  remove-duplicates        Remove duplicate passwords
+  show                     Show a single password
 ```