[Meta] Lens visualization editor

[flash1293]

Lens is a tool allowing the user to create compelling visualizations quick and easy without locking them into past choices.

This issue is a central starting point all other Lens-related issues should be linked from.

For an overview over all issues, the project board provides insights about the current plans: https://github.com/elastic/kibana/projects/32

✅ The roadmap for Lens GA can be found here: #61453
✅ The roadmap for Lens by default can be found here: #74685
The roadmap for making Lens more prominent in the UI can be found here: #75130

All feature development issues are grouped by topic:

• [Meta][Lens] Integration with Kibana #57712
• [Meta][Lens] Data Modelling #57708
• [Meta][Lens] Styling and Chart configurability #57707
• [Meta][Lens] Editing experience #57706
• [Meta][Lens] Technical debt #75030
• [Meta][Lens] Performance #112931
• [Meta][Lens] Migration to lens from compatible visualization types #115034
• [Meta][Lens] Event Annotations #119240
• [Meta] TSDB and downsampling #130715

Bugs should be put on the board in the appropriate columns:

• "Minor bugs" for small annoyances
• "Priority bugs" for things to fix before the next release

GH labels usage

Lens issues are using the following labels:

• Team:KibanaApp - each Lens related issue
• Feature:Lens - each Lens related issue
• Meta - Issues mainly collecting links to other issues
• discuss - Issues which are meant to discuss a new feature or aspect of Lens (not a task to complete)
• bug - Issues which describe a wrong behavior
• enhancement - Issues which describe a new feature which is not part of Lens yet
• technical debt - Issues which describe improving/refactoring a piece of Lens without changing user facing behavior
• loe:needs-research - Enhancements or technical debt issues which can't be started to work on yet because research by Lens devs is required to figure out exact scope, technical dependencies, ...
• blocked - Issues which are depending on uncompleted work by teams other than the KibanaApp team
• needs design - Issues or PRs which are blocked on design related feedback.
• feedback_needed - Issues or PRs which are blocked on product related feedback.

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)

[timductive]

Closing this in favor of the project board