This feature fix does the following:
1. modifies handlePaste function to save the image present in clipboard
into the user selected output folder and process it.
2. names the image with hh-mm-ss timestamp and gives output file in
provided folder.
Here is an example with nothing in the clipboard showing an invalid
image error:

Here is an example with an image in the clipboard saving in user
selected folder:

<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
## Release Notes
- **New Features**
- Users can now paste images directly from the clipboard using the
shortcut Ctrl + V or Cmd + V.
- Enhanced error messages provide clearer guidance when no image is
found in the clipboard or when an output folder is not selected.
- New instructions for pasting images have been added to localization
files in multiple languages.
- **Bug Fixes**
- Improved handling of pasted images with better error notifications for
invalid formats.
- **Documentation**
- Updated localization files for multiple languages, enhancing user
instructions and error descriptions related to image handling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->