Add 1st workflow diagram.

```mermaid

---

title: WF-001-EPOC - Basic Workflow - Without or with emergency - No Notification

---

sequenceDiagram

autonumber

participant IA as Issuing Authority

participant SP as Service Provider

IA ->> SP: /eevidence/production Request (Form 1)

Note right of IA: CREATE AuthorisationObject (1)<br/>CREATE LDTaskObject (1..n)<br/>CREATE EPOCAdditionalInfo (1..n)<br/>CREATE DocumentObject (1)

SP -->> IA: /eevidence/production Response

Note over SP: Checks if the EPOC can be executed

opt Request clarification

    Note over SP: Drafts request for clarification

    SP ->> IA: //eevidence/correspondence Request

    Note left of SP: DELIVER DocumentObject (1)

    IA -->> SP: //eevidence/correspondence Response

    Note over IA: Formulates clarification

    IA ->> SP: //eevidence/correspondence Request

    Note right of IA: CREATE DocumentObject (1)<br/>CREATE EPOCAdditionalInfo (0..n)

    SP -->> IA: //eevidence/correspondence Response

end

Note over SP: Processes the query<br/>to gather the requested data

SP ->> IA: /eevidence/outcome Request (Data)

Note left of SP: UPDATE AuthorisationObject (1)<br/>UPDATE LDTaskObject (1..n)<br/>UPDATE DocumentObject (1..n)<br/>DELIVER DeliveryObject (1..n)

IA -->> SP: /eevidence/outcome Response

```

Links to example messages:

- [(1) /eevidence/production Request](../../examples/form1.xml)

- (2) /eevidence/production Response

- ...