docs: Added *more* examples to README.md.

README.md.tmpl

@@ -17,8 +17,23 @@ Utility commands for working with ffmpeg in nushell.
 ```
 
 - `ffprobe` multiple files at once
+
+```nu
+{{ ffprobe_multiple_files_example }}
+```
+
 - Use `streams`, `streams video`, and `streams audio` to filter `ffprobe` output
+
+```nu
+{{ ffprobe_streams_video_example }}
+{{ ffprobe_streams_audio_example }}
+```
+
 - get the `dimensions` of a video stream as a record
+
+```nu
+{{ ffprobe_dimensions_example }}
+```
 - Tab-completion for filter options. i.e. `fps --round<tab>` will yield `zero inf down up near`
 - Apply and parse complex filters to a video (Work In Progress)