`LineChart` with axis arrows
- Dominant language
- Dart
- Stars
- 7.6k
- Forks
- 2k
- Avg merge
- 9d 1h
- Merged PRs (30d)
- 2
Description
**Describe the solution you'd like**
I would like the `LineChart` to paint arrows on the axis if I asked it to.
**Additional context**
As sometimes values can be deceiving or missing, I like it when my graphs show to which direction are my axis increasing value.

Like the following:

Contributor guide
Research direction
Start by locating the LineChart implementation and its current axis-rendering path. Determine how an opt-in arrow setting should cover the X and Y axes, then verify the rendered result matches the requested examples while preserving the default appearance.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- dart, flutter
- Domain
- data-visualization, frontend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 42/100