Add pub sub features, tests, and update main.go, along with README

[BryceWayne]

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[Copilot]

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (2)

main.go:128

• The comment on line 128 is duplicated and should be removed.

// demonstratePubSub shows the publish/subscribe functionality

main.go:178

• [nitpick] The variable 'pattern' is used inconsistently in log messages. Ensure consistent usage across the function.

log.Printf("Listening on pattern: %s", pattern)

[Copilot]

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (6)

main.go:128

• Duplicated comment: 'demonstratePubSub shows the publish/subscribe functionality'.

// demonstratePubSub shows the publish/subscribe functionality

main.go:185

• Error handling for 'json.Unmarshal' should log the error and continue processing other messages.

if err := json.Unmarshal(msg, &status); err == nil {

main.go:201

• The timeout for receiving messages should be covered by tests to ensure proper handling.

case <-time.After(2 * time.Second):

memorystore/memorystore.go:23

• The comment for the MemoryStore struct should be updated to include the new ps field.

type MemoryStore struct {

memorystore/memorystore.go:42

• Ensure that the initialization of the PubSub manager is covered by tests.

ms.initPubSub()

memorystore/memorystore.go:66

• Ensure that the cleanup of the PubSub manager is covered by tests.

m.cleanupPubSub()