feat(axis): add customValues option to customize axis tick/label positions

[Ovilia]

Brief Information

This pull request is in the type of:

• bug fixing
• new feature
• others

What does this PR do?

Add option customValues to axisTick and axisLabel, which allow the user to specify tick/label positions.

This PR is based on #13636 . Since it's a long time since the opening of this PR, I made a few adjustment based on the original commit, with full regards to the contribution to @dvdkon 's contribution.

Fixed issues

#13627

Details

Before: What was the problem?

See issue #13627

After: How is it fixed in this PR?

The new option allows for completely custom tick/label positions, for example:

xAxis: {
	type: 'value',
	axisLabel: {
		customValues: [0, 4, 7, 8, 9]
	},
	axisTick: {
		alignWithLabel: true,
		customValues: [0, 0.5, 1, 1.5, 2, 8, 9]
	},
}

Usage

Are there any API changes?

• The API has been changed. apache/echarts-doc@934107e

In axis:

• axisTick.customValues: (string | number | Date)[]
• axisLabel.customValues: (string | number | Date)[]

Array of axis values on which a tick/label will be present (automatic tick generation is disabled)

Related test cases or examples to use the new APIs

test/axis-customTicks.html

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[github-actions]

The changes brought by this PR can be previewed at: https://echarts.apache.org/examples/editor?version=PR-19919@0c90824

[echarts-bot]

Congratulations! Your PR has been merged. Thanks for your contribution! 👍