update README.md

README.md

@@ -1,3 +1,22 @@
 # Goat Monitor
 
-A command line tool for remotely monitoring command execution
+A command line tool for remotely monitoring command execution using Gotify.
+
+Yes, I know Gotify doesn't have "goat" in its name but it sounds like it.
+
+## Configuration
+
+```toml
+server = "https://gotify.example.com"
+app_token = "app_token_from_gotify"
+
+```
+
+## Usage
+
+```
+goat_monitor --config ./config.toml --retries -1 -- <COMMAND TO MONITOR>
+```
+
+The command can be any shell command including arbitrarily many options / arguments.
+Note that `--` is often necessary to prevent options within the monitored command from being parsed as options to goat_monitor.