Release and deploy of Atum v0.3.0 - development

[benedeki]

Background

Long time again since Atum release and even longer since deploy.

Goal

Release and deploy of version 0.3.0
Secondary goal is to streamline the deploy process to allow more frequent releases and their smooth deploy.

Tasks

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1. Changing/verifying Atum docker definition #260
   Server infrastructure +2
   
2. Full Flyway integration #262
   DB infrastructure +2
   
3. Hide non-active endpoints (v2) from swagger to make them silent live #263
   Server documentation +2
   
4. Docker changes related to ZIO #278
   Server infrastructure +2
   
5. Create Additional Data - adopt agent & test Agent <-> Server communication #280
   Agent Server +2
   
6. Disable AdditionalData support in AtumContext (alternative to #280 in release v0.3.0) #284
   Agent refactoring +2
   
7. Atum Release 0.3.0 #285
   documentation infrastructure no RN +3