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PR Checklist
If you have any questions, you can refer to the Contributing Guide
What is the current behavior?
Please describe the current behavior and link to a relevant issue.
Issue Number
Example: #1244
What is the new behavior?
Event Bus: A global event bus has been implemented to support listening to MQTT packets across all components.
Topic Tree View Component: A new component for visualizing MQTT topics in a tree structure has been added.
Tree Node Information: A new component to display detailed information about selected nodes has been introduced.
Real-time Topic Updates: The topic tree is updated in real-time as new MQTT packets are received.
Topic Filtering: Users can filter topics in the tree view using keywords.
Viewer Page: A new "Viewer" page has been added to the application, currently featuring the Topics Tree tab.
Multilingual Support: New translations for the viewer and related components have been added.
Tree Node Metadata: The tree view now displays additional metadata for each node, such as sub-topic and message counts.
Message Payload Display: The latest payload is displayed along with metadata like QoS and retains a flag for topics with messages.
Responsive Layout: The viewer page uses a responsive layout with separate columns for the tree view and node information.
Theme Support: The new components are designed to work with the application's existing theme system.
Connection-based Grouping: Topics are grouped under their respective connection hosts in the tree view.
Please describe the new behavior or provide screenshots.
Does this PR introduce a breaking change?
Specific Instructions
Are there any specific instructions or things that should be known prior to review?
Other information