Change Tittle and modify UML diagram

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>

Author: bandinib-amzn

docs/saved_objects/img/proposed_saved_object_service_workflow.png

@@ -1,25 +1,38 @@
 @startuml
+
 title: Proposed Saved Object Service Flow
+
 actor User
+
+participant "OpenSearch-Dashboards" as OSD
+
+box "Saved Object Service" #LightBlue
 participant "Saved Object Client" as Client
 participant "Repository Factory Provider" as Factory
-participant "Repository\n(e.g. SavedObjectRepository,\nPostgresRepository,\nDynamoDBRepository)" as Repo
-participant "Metadata Storage\n(e.g. OpenSearch,\nPostgres, DynamoDB etc)" as Meta
+end box
+
+box "Dashboards Storage Plugin" #LightYellow
+participant "Repository\n(e.g. PostgresRepository,\nDynamoDBRepository)" as Repo
+participant "Metadata Storage\n(e.g. Postgres, \nDynamoDB etc)" as Meta
+end box
 
 autonumber
+group OSD Bootstrap
+Repo -> Factory: Register custom repository
+Factory -> Client: Returns repository
+Client -> OSD: Returns Saved Object Client
+end group
 User -> Client: Create Saved Object
-Client -> Factory: Get Repository
-Factory -> Client: Returns Repository to manage Saved Objects
 Client -> Repo: Create Saved Object
 Repo -> Meta: Create/Update Record
 Meta --> Repo: Saved Object Saved
 Client -> User: Saved Object Created
 User -> Client: Get Saved Object
-Client -> Factory: Get Repository
-Factory -> Client: Returns Repository to manage Saved Objects
 Client -> Repo: Get Saved Object
 Repo -> Meta: Fetch Saved Object from storage
 Meta --> Repo: Return Saved Object
 Repo -> Client: Return Saved Object
 Client -> User: Saved Object Data
+
+skinparam BoxPadding 15
 @enduml

docs/saved_objects/resources/proposed_saved_object_service_workflow.puml

@@ -1,4 +1,4 @@
-# New Saved Object Service Interface for Custom Repository
+# Proposed Saved Object Service Interface for Custom Repository
 
 ## Introduction