Form renderer should be plugable

[ir4y]

SDC IDE should support different render engines. For now, we need support for:

• https://github.com/beda-software/fhir-questionnaire

• https://github.com/aehrc/smart-forms

• [x] Define an abstraction for form renderer

• [x] Define context that passes specific form renderer engine to sdc-ide

• [x] Implement fhir-questionnaire binder

• [x] Implementsmart-forms binder

[ir4y]

https://github.com/beda-software/fhir-emr/blob/master/src/main.tsx#L27

[ir4y]

https://fhirpath-lab.com/Questionnaire/tester https://github.com/brianpos/fhirpath-lab