Added usage section to README.md

README.md

@@ -11,6 +11,29 @@ Maybe it's straightforward or obvious, but just for completeness: the name comes
 2. The ability to turn on and off tasmota devices ("on" and "off" pronounced directly one after the other sounds (a bit) like "onov")
 
 
+## CLI Usage
+
+```
+usage: Tasmotonov - simply toggle multiple tasmota lights [-h] [-v] [--version] {file,inline} data {on,off,toggle}
+
+A very simple script which allows you to turn on/off multiple tasmota devices specified.
+
+positional arguments:
+  {file,inline}    Select either to read the adresses (of the devices) from a "file" or from "inline"
+  data             Either the path to the file, or a comma- or semicolon-separated list of tasmota adresses.
+  {on,off,toggle}  Select to turn all tasmota devices "on" or "off" or "toggle" (case insensitive)
+
+options:
+  -h, --help       show this help message and exit
+  -v, --verbose    Turn on verbose file output
+  --version        show program's version number and exit
+
+Info: if you choose a file as source, this files needs to contain the addresses of the tasmota devices either comma-separated, semicolon-separated, or newline-separated!
+
+© Benjamin Burkhardt, 2025
+```
+
+
 ## Installation
 
 The CLI script ([tasmotonov.py](tasmotonov.py)) relies on two libaries apart from python3's standard libraries: