[component] File Helper

As a Workflow Developer
I want to be able to use the native JWT Helper connector
So that I can implement more complex integration use cases where the connector is involved.

Acceptance Criteria

List of implemented actions:

- [ ] Rename FileStorage to FileHelper
- [ ] Convert file from Base64
Creates a new file from a Base64-encoded string. 
- [ ] Convert file to Base64
Encodes a file into a Base64 string. 
- [ ] Convert to UTF-8 from URL
Downloads a file from a URL and converts its character encoding to UTF-8. 
- [ ] Create byte ranges list
Generates a list of byte ranges for chunked file uploads. 
- [x] Create file from content
Creates a file using provided content, such as JSON or plain text.
- [x] Create file from URL
Downloads a file from a specified URL and creates a file object.
- [ ] Get file size
Retrieves the size of a file in bytes.
- [x] Read file contents
Reads the contents of a file and returns it as a string. 
- [ ] Read file contents as array
Reads the contents of a file and returns it as an array, using a specified delimiter.
- [ ] Upload file as form data
Uploads a file to a specified URL as part of a multipart/form-data request.
- [ ] Upload file chunk
Uploads a specific chunk of a file to a designated URL. 
- [ ] Upload file to URL
Uploads an entire file to a specified URL using a defined HTTP method.

Definition of Done:

- [ ] Unit/Integration tests
- [ ] Documentation