REPO-3176: Initial copy of community pages from architecture map and collapsed index page

docs/messaging/queue/resource/component/message-format.puml

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+@startuml
+
+entity "Object" as O
+
+frame "AMQP Message" as M {
+frame header as H
+frame "body (JSON)" as B
+}
+
+O <.--.> B
+@enduml

docs/messaging/queue/resource/component/model-share-using-queue.puml

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+@startuml
+
+title Components Sharing a Model
+
+left to right direction
+
+node "Message Broker" as MB {
+queue "Model Topic\nEndpoint" as MTE #white
+}
+
+database "NoSQL\n(Schema Data)" as DB1
+database "NoSQL\n(Metadata)" as DB2
+database "Solr 6.x" as Solr
+
+node "API Gateway" as AG
+node "Model\nService" as MS {
+node "REST API" as API
+node "Message Producer" as MP
+}
+node "Search Service" as SS {
+node "Message Consumer" as L1
+}
+
+node "Repository\nService" as R {
+node "Message Consumer" as L2
+}
+
+node "Model Manager App" as MMA
+actor "user" as U
+
+MS <-> DB1 : read/write model
+MP -> MTE : model\nchanged message
+R <-> DB2 : read/write metadata
+SS <-> Solr : read/write
+L1 <- MTE : model\nchanged message
+L2 <- MTE : model\nchanged message
+MMA -> AG : get/put model
+AG -> API : get/put model
+U <-> MMA : design model
+
+
+@enduml

docs/messaging/queue/resource/component/queue-components.puml

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+@startuml
+
+Title Queue Components
+
+left to right direction
+
+actor "Administrator" as A
+node "Queue Service" as Q {
+node "REST API" as R1 #white
+node "Spring Boot" as SB #white
+}
+
+node "Message Broker" as MB {
+queue "Topic\nEndpoint" as R2 #white
+}
+
+
+node "Message Producer" as MP
+
+node "Message Consumer" as MC1
+node "Message Consumer" as MC2
+node "Message Consumer" as MC3
+node "Message Consumer" as MC4
+
+A-->SB: starts/stops
+A-->R1: configures
+Q-->R2: starts/stops broker
+Q-->R2: configures
+MP<--R1: get Topics
+MP-->R2: sends message to Topic
+R2-->MC1: gets message
+R2-->MC2: gets message
+R2-->MC3: gets message
+R2-->MC4: gets message
+R2<--MC1: subscribes
+R2<--MC2: subscribes
+R2<--MC3: subscribes
+R2<--MC4: subscribes
+'R2-T
+
+@enduml