Feature/oed (#1366)

* Add first version of documentation

* Lagt ut bilder og redigert tabell

* Remove media folder and move images to oed folder

* Add english version of the page, non-translated for now

* Change tags between nb and en version

* Conform to the guidelines

* Remove deprecated oed documentation, doc should not be here

* Remove deprecated oed documentation, doc should not be here

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Co-authored-by: Henning Normann <[email protected]>