updated README.md and usage text

Author: Konrad Lother

README.md

@@ -7,6 +7,7 @@ Usage: pass file action pass-name [path]
 Actions:
   store|add|attach: add new file to password store
   retrieve|show|cat: retrieve file from password store and print it to stdout
+  edit|vi: edit a file (warning: unencrypted file will be opened with $EDITOR)
 ```
 
 ## Examples
@@ -20,5 +21,9 @@ Alternativley you can also use shortcuts for `attach` and `retrieve`:
 pass file add article my_super_secret_revelations.txt
 pass file cat article
 ```
+Use `edit` to edit a file:
+```
+pass file edit article
+```
 ## Installation
 See [here](https://www.passwordstore.org/#extensions) for details. There is also information on how to install extensions in the `pass` man page.

file.bash

@@ -5,6 +5,7 @@ print_usage() {
     echo "Actions:"
     echo "  store|add|attach: add new file to password store"
     echo "  retrieve|show|cat: retrieve file from password store and print it to stdout"
+    echo "  edit|vi: edit a file (warning: unencrypted file will be opened with \$EDITOR)"
     exit 0
 }