Add support for message.app_home Slack event (#29)

Introduced handling for the 'message.app_home' Slack event by adding the MessageAppHomeEvent model, handler interface, and middleware. Updated service registration and event deserialization logic to support the new event type. Sample usage was added in the HelloWorld project.

+semver:minor

Add Chat update, ConversationOpen, input placeholder (#23)

* Add Chat update, ConversationOpen, input placeholder

* conversation.open: fix xml doc comment

* formatting: remove superflous whitespace

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Co-authored-by: John Korsnes <[email protected]>

team_join: add is_bot on user (#22)

add samples for team_join and emoji_changed (#21)

Uninstall: adds more handling for nulls (#11)

.NET 8 (#10)

* Update build scripts

* .NET 8

+semver:major

Adds chat.postEphemeral support

Add Thread_ts to shortcut payload message

Adds support for file uploads

Adds Display name to profile responses