feat(Charts): bunch of UI improvements

[dani-moreno]

Description

• Custom bars for bar charts, with a subtle gradient.
• Glow effect for line charts.
• Several color changes to axis, lines, etc.
• A few stories fixes.

Screenshots

They also look pretty cool with a dark theme 😎:

[github-actions]

🔍 Visual review for your branch is published 🔍

Here are the links to:

• the Visual Review Page

• the latest build on chromatic

• the full storybook

[github-actions]

Coverage Report for packages/react

Status	Category	Percentage	Covered / Total
🔵	Lines	16.79%	16185 / 96369
🔵	Statements	16.79%	16185 / 96369
🔵	Functions	43.69%	815 / 1865
🔵	Branches	70.69%	2263 / 3201

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
packages/react/src/components/Charts/BarChart/index.stories.tsx	0%	100%	100%	0%	2-125
packages/react/src/components/Charts/BarChart/index.tsx	0%	0%	0%	0%	1-270
packages/react/src/components/Charts/LineChart/index.stories.tsx	0%	100%	100%	0%	3-84
packages/react/src/components/Charts/LineChart/index.tsx	0%	0%	0%	0%	1-116
packages/react/src/components/Charts/PieChart/index.tsx	0%	0%	0%	0%	1-134
packages/react/src/components/Charts/VerticalBarChart/index.stories.tsx	0%	100%	100%	0%	2-89
packages/react/src/components/Charts/VerticalBarChart/index.tsx	0%	0%	0%	0%	1-256
packages/react/src/ui/chart.tsx	0%	0%	0%	0%	1-448

Generated in workflow #8312 for commit ce6dedb by the Vitest Coverage Report Action

[github-actions]

size-limit report 📦

Path	Size
JS: Stable	580.99 KB (+0.03% 🔺)
JS: Experimental	967.14 KB (+0.08% 🔺)
CSS	71.74 KB (-0.27% 🔽)