docs: partial response and pipeline diagrams

partial-response/README.md

@@ -33,6 +33,10 @@ In plain words
 
 > The Partial Response design pattern allows a system to send portions of data to the client as they become available, enabling the client to start processing the data before the complete response is received.
 
+Sequence diagram
+
+![Partial Response sequence diagram](./etc/partial-response-sequence-diagram.png)
+
 ## Programmatic Example of Partial Response Pattern in Java
 
 The Partial Response design pattern allows clients to specify which fields of a resource they need. This pattern is useful for reducing the amount of data transferred over the network and allowing clients to start processing data sooner.

pipeline/README.md

@@ -46,6 +46,10 @@ Wikipedia says
 
 > In software engineering, a pipeline consists of a chain of processing elements (processes, threads, coroutines, functions, etc.), arranged so that the output of each element is the input of the next; the name is by analogy to a physical pipeline.
 
+Flowchart
+
+![Pipeline flowchart](./etc/pipeline-flowchart.png)
+
 ## Programmatic Example of Pipeline Pattern in Java
 
 Let's create a string processing pipeline example. The stages of our pipeline are called `Handler`s.