Update README with examples

README.md

@@ -5,6 +5,25 @@ obs-cli is a simple cli tool for planned OBS recordings.
 ## Usage
 * `-s`, `--start-minutes` `<START_MINUTES>`: Define the minutes where the recording should start [default: 0]
 * `-d`, `--duration-minutes` `<DURATION_MINUTES>`: Define the duration of the recording in minutes [default: 1]
+* `-b`, `--begin-time` `<BEGIN_TIME>`: Define the start time in HH:MM format
+* `-e`, `--end-time` `<END_TIME>`: Define the end time in HH:MM format
 * `-p`, `--poweroff`: Flag to shutdown the machine after recording
 * `-h`, `--help`: Print help information
 * `-V`, `--version`: Print version information
+
+### Examples
+Use minutes to input durations. The following command will start a 60min long recording in 10 minutes.
+```sh
+./obs-cli -s 10 -d 60
+```
+
+Another option is to use time strings in `HH:MM` format.
+The following command will trigger a 30min long recording starting at 14:00.
+```sh
+./obs-cli -b 14:00 -e 14:30
+```
+
+These two formats can be used together:
+```sh
+./obs-cli -b 14:00 -d 30
+```