feat: allow any type of processor classes

[Cruiser13]

Allows any processor classes as discussed in #44

Tagged services and a service locator would be the better way but overpowered for this use case I think. Let me know your thoughts.

Thank you for considering the PR.

[github-actions]

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[Cruiser13]

I have read the CLA Document and I hereby sign the CLA

[Cruiser13]

@kingjia90 I see that a new release has been created without this PR. Are there any changes to be made?

[kingjia90]

@Cruiser13 Unfortunately this is PR was not being reviewed yet and not in the main pipeline.

The changes looks fine so far, at least as quick fix, but maybe lacks a way to provide the settings by GUI eg.

web-to-print-bundle/public/js/settings.js

Lines 342 to 353 in 70b7474

	select: function(combo, record) {
	this.pdfReactorSettings.hide();
	this.gotenbergSettings.hide();
	this.chromiumSettings.hide();
	if(combo.getValue() == "pdfreactor") {
	this.pdfReactorSettings.show();
	} else if(combo.getValue() == "chromium") {
	this.chromiumSettings.show();
	} else if(combo.getValue() == "gotenberg") {
	this.gotenbergSettings.show();
	}

[Cruiser13]

@Cruiser13 Unfortunately this is PR was not being reviewed yet and not in the main pipeline.

The changes looks fine so far, at least as quick fix, but maybe lacks a way to provide the settings by GUI eg.

web-to-print-bundle/public/js/settings.js

Lines 342 to 353 in 70b7474

	select: function(combo, record) {
	this.pdfReactorSettings.hide();
	this.gotenbergSettings.hide();
	this.chromiumSettings.hide();
	if(combo.getValue() == "pdfreactor") {
	this.pdfReactorSettings.show();
	} else if(combo.getValue() == "chromium") {
	this.chromiumSettings.show();
	} else if(combo.getValue() == "gotenberg") {
	this.gotenbergSettings.show();
	}

Thanks for letting me know. Since we can not know which settings the custom processor has I don't see a good way to add them here. And you can override the JS in your custom processor anyway. We re-implemented the wkhtmltopdf processor with these changes and simply supplied the web2print options in the class. Works fine.

[Cruiser13]

@kingjia90 what do you think?