Develop (#721)

* added eInvoicing folder; updated config parameters and namespaces; updated xml files
* Adding convention report and glossary files
* Adding transformation files
* Update transform_epo.yml
* fixed issues (#624, #688, #689)
* replaced EA file with new, updated version
* Added README.md files for eAccess, eInvoicing, eSubmission. Changed the README.md file under implementation.


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Co-authored-by: andreea <nicoleta.pasare@gmail.com>
Co-authored-by: github-actions <action@github.com>
Co-authored-by: MummiaDoug <achilles.dougalis@meaningfy.ws>

Develop (#721)

* added eInvoicing folder; updated config parameters and namespaces; updated xml files
* Adding convention report and glossary files
* Adding transformation files
* Update transform_epo.yml
* fixed issues (#624, #688, #689)
* replaced EA file with new, updated version
* Added README.md files for eAccess, eInvoicing, eSubmission. Changed the README.md file under implementation.


---------

Co-authored-by: andreea <nicoleta.pasare@gmail.com>
Co-authored-by: github-actions <action@github.com>
Co-authored-by: MummiaDoug <achilles.dougalis@meaningfy.ws>

Version sync 4.1.0 -> 4.1.1 (#687)

chore: add eInvoicing module

fix: no external vocabularies redefined (#673)

chore: add eAccess and eSumbission modules

Release/4.1.0 (#590)

- eAccess
- eSubmission
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Co-authored-by: github-actions <action@github.com>

Hotfix branch (#556)

- epo:Notice epo:hasOJSIssueNumber:xsd:integer data type changes to rdf:PlainLiteral

Hotfix branch (#534)

* removed duplicated imports; removed at-voc-new refs; import core layer into modules; cross-module imports.
* removed at-voc-new refs.
* changed URIs for cpv and nuts.

importing core into modules; cross-modules imports