fix: updates

Author: dhmlau

docs/site/DataSources.md

@@ -12,7 +12,7 @@ A `DataSource` in LoopBack 4 is a named configuration for a Connector instance
 that represents data in an external system. The Connector is used by
 `legacy-juggler-bridge` to power LoopBack 4 Repositories for Data operations.
 
-<img src="imgs/datasource.png" alt="Datasource diagram" width="300">
+![Datasource diagram](imgs/datasource.png)
 
 ### Creating a DataSource
 

docs/site/Repositories.md

@@ -10,7 +10,7 @@ A `Repository` represents a specialized `Service` interface that provides
 strong-typed data access (for example, CRUD) operations of a domain model
 against the underlying database or service.
 
-<img src="imgs/repository-datasource-model.png" alt="Relationship among Repository, DataSource and Model" width="300">
+![Repository diagram](imgs/repository.png)
 
 {% include note.html content="Repositories are adding behavior to Models. Models describe the shape of data, Repositories provide behavior like CRUD operations. This is different from LoopBack 3.x where models implement behavior too." %}