Ivan Starkov fcee225a5f Add simple background parser (#1240) ...

## Description

ref #877 - the ability to parse multiple gradient layers from Figma 
![Screen Recording 2023-03-18 at 00 25
12](https://user-images.githubusercontent.com/5077042/226031486-0dc0978b-5572-4dd6-9441-b86b2e469a7a.gif)


closes #1255 - now background added at the top

fixes css value input invalid input now shows as invalid

## Steps for reproduction

Copy some background from figma like
```
background: linear-gradient(180deg, #11181C 0%, rgba(17, 24, 28, 0) 36.09%), none, linear-gradient(180deg, rgba(230, 60, 254, 0.33) 0%, rgba(255, 174, 60, 0) 100%), radial-gradient(54.1% 95.83% at 100% 100%, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%), linear-gradient(122.33deg, rgba(74, 78, 250, 0.2) 0%, rgba(0, 0, 0, 0) 69.38%), radial-gradient(92.26% 201.29% at 98.6% 10.65%, rgba(255, 174, 60, 0.3) 0%, rgba(227, 53, 255, 0) 100%) /* warning: gradient uses a rotation that is not supported by CSS and may not behave as expected */, radial-gradient(84.64% 267.51% at 10.07% 81.45%, rgba(53, 255, 182, 0.2) 0%, rgba(74, 78, 250, 0.2) 100%) /* warning: gradient uses a rotation that is not supported by CSS and may not behave as expected */, #EBFFFC;
```

Open any layer paste it into the code, and click enter or blur.
See layers added. BGColor has changed if set.


## Code Review

- [x] hi @kof, I need you to do
  - conceptual review (architecture, feature-correctness)
  - detailed review (read every line)
  - test it on preview

## Before requesting a review

- [x] made a self-review
- [x] added inline comments where things may be not obvious (the "why",
not "what")

## Before merging

- [ ] tested locally and on preview environment (preview dev login:
5de6)
- [ ] updated [test
cases](https://github.com/webstudio-is/webstudio-builder/blob/main/apps/builder/docs/test-cases.md)
document
- [x] added tests
- [ ] if any new env variables are added, added them to `.env.example`
and the `builder/env-check.js` if mandatory

2023-03-18 21:33:48 +04:00

..

css-tree.d.ts

Add simple background parser (#1240)

2023-03-18 21:33:48 +04:00

detect-font.d.ts

Use sources as type deifnitions (#539)

2022-11-28 22:27:56 +03:00