…ling; remove unnecessary semicolons.

…zureAttachmentsService

This pr:
- changes the attachment tests so they aren't dependent on one another
- added a clearing of the attachments before and after each test
- added helper functions to reduce redundant code
- documented these helper functions if they are ever needed again

Closes: #258

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Co-authored-by: Marten Schiwek <marten.schiwek@sap.com>
Co-authored-by: Simon Kobler <32038731+KoblerS@users.noreply.github.com>

…ove error handling in various methods

Adjust collection name for working i18n integration.

Needed for translation workbench

…#270)

- Refactor content handling in AWSAttachmentsService to ensure cleanup
after uploads.
- Improve error handling in malwareScanner by streaming files directly
to the scanner.
- Optimize memory usage in basic.js and plugin.js by clearing content
references post-upload.

…ved clarity and error handling

…storage services

Remove the xmpl folder and not working sample in favour of one sample in
the tests folder.

Adjusts Readme and Contributing.md to point to this sample.

This is meant to add more information as well as clarify current
information. Also want to align with the [README of the Java version of
Attachments](https://github.com/cap-java/cds-feature-attachments/blob/main/README.md).
Steps remaining:
- [x] Finalize structure and sections 
   - [x] Removing Java-specific sections and information
- [x] Confirm and clarify details
- [x] Add in links to sources


This initial change should make the rest of the editing process more
streamlined

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Co-authored-by: Simon Kobler <32038731+KoblerS@users.noreply.github.com>
Co-authored-by: Lisa Julia Nebel <lisajuliafog@yahoo.de>
Co-authored-by: René Jeglinsky <rene.jeglinsky@sap.com>
Co-authored-by: Simon Kobler <simon.kobler@sap.com>