chore(docs): add sequence diagrams for improvements in scalability

docs/src/uml-diagrams/runtime-view/scaling-edc-processing.puml

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+@startuml
+skinparam monochrome true
+skinparam shadowing false
+skinparam defaultFontName "Architects daughter"
+
+
+autonumber "<b>[00]"
+
+participant "EDC Client" as IRS
+participant "EDC Cache" as edc_cache
+participant "EDC" as EDC
+
+IRS -> EDC: Request Contract Offers {filter": "type=digitalTwinRegistry"}
+IRS <-- EDC: Contract Offer
+
+IRS -> edc_cache: get EDR Token
+
+group EDC negotiation and transfer process
+    rnote right edc_cache
+        replace traditional token negotiation with EDR API
+        this makes reuse of existing negotiations more efficient
+    end note
+
+    edc_cache -> EDC: Negotiate Contract for Offer
+    edc_cache <-- EDC: Contract Negotiation (Contract Agreement ID))
+
+    edc_cache -> EDC: Initiate Transfer with Agreement ID
+    edc_cache <-- EDC: Transfer Process ID
+
+    edc_cache <-- EDC : EDR Token callback
+end
+
+IRS <-- edc_cache: EDR Token
+
+@enduml

docs/src/uml-diagrams/runtime-view/scaling-job-batch-processing.puml

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+@startuml
+skinparam monochrome true
+skinparam shadowing false
+skinparam defaultFontName "Architects daughter"
+autonumber "<b>[00]"
+
+actor IrsApiConsumer
+
+
+box "IRS" #LightGrey
+
+IrsApiConsumer -> BatchController : POST /irs/orders
+rnote left
+    200k digital twin ids
+end note
+IrsApiConsumer <- BatchController : order id
+
+BatchController --> CreationBatchService: create batches
+CreationBatchService -> CreationBatchService: split into parallel executable working packages
+
+rnote right
+    Currently this is not limited.
+    Limit of e.g. 5 jobs in parallel needs to be added.
+end note
+
+loop
+    rnote right CreationBatchService
+        sequentially
+    end note
+    CreationBatchService -> JobEventLinkedQueueListener: execute working packages
+    JobEventLinkedQueueListener --> IrsApiConsumer: callback on completed batch
+end
+
+@enduml

docs/src/uml-diagrams/runtime-view/scaling-job-processing.puml

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+@startuml
+skinparam monochrome true
+skinparam shadowing false
+skinparam defaultFontName "Architects daughter"
+autonumber "<b>[00]"
+
+actor IrsApiConsumer
+
+
+box "IRS" #LightGrey
+
+IrsApiConsumer -> IrsController : POST /irs/jobs
+rnote right IrsApiConsumer
+    id instead of globalAssetId
+end rnote
+IrsApiConsumer <- IrsController : job id
+
+participant "blackbox IRS processing" as irs_process
+
+IrsController -> irs_process
+irs_process -> DTR: get twin by id
+rnote right irs_process
+1 call instead of 2
+end rnote
+irs_process <- DTR: twin
+
+irs_process -> irs_process: globalAssetId of twin is saved in job response
+rnote right irs_process
+   As is: the id with which the Job was started is saved as globalAssetId in the job
+   To be: Job contains the globalAssetId instead of the id
+end rnote
+
+IrsApiConsumer -> IrsController : GET /irs/jobs/<id>
+IrsApiConsumer <- IrsController : job
+
+@enduml