Add help text to the readme

readme.md

@@ -2,6 +2,22 @@
 
 A tool to lint the file names of your media
 
+## Usage
+
+```
+USAGE:
+    media-linter.exe [OPTIONS] <PATH>
+
+ARGS:
+    <PATH>
+
+OPTIONS:
+    -h, --help            Print help information
+        --no-emoji
+        --show-success
+    -V, --version         Print version information
+```
+
 ## Filenames
 
 | Type  | Filename                             |