Refactor: add missing or_directory where needed.

This commit adds the missing `_or_directory` to any example which is
specifying an action affecting a file or a directory, but uses the
token `{{path/to/file}}` instead of `{{path/to/file_or_directory}}`.

pages/common/hg-commit.md

@@ -8,7 +8,7 @@
 
 - Commit a specific file or directory:
 
-`hg commit {{path/to/file}}`
+`hg commit {{path/to/file_or_directory}}`
 
 - Commit with a specific message: