Setup the foundation for Twenty UI library. (#4423)

* feat: create a separate package for twenty-ui, extract the pill component with hard-coded theme values into it, and use the component inside twenty-front to complete the setup

* feat: extract the light and the dark theme into twenty-ui and update the AppThemeProvider component inside twenty-front to consume themes from twenty-ui

* fix: create a decorator inside preview.tsx to provide a default theme to storybook development server

* fix: remove redundant type declarations and revert back the naming convention for theme declarations

* fix: introduce a default value for pill label within the story for development server

* fix: introduce the nx script into package.json for twenty-ui and resolve imports for theme type within the package

* fix: remove the pill component from the twenty-front package along with the story for it

* fix: revert the package versions to those before running the nx cli command for storybook init

* feat: update readme to include details for building the ui library and starting the storybook development server

* fix: include details about twenty-ui inside jest.config for twenty-front to complete front-jest job

* - Added preview head for font
- Added theme addon for light/dark switch
- Added ComponentDecorator

---------

Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-front/src/modules/ui/display/pill/components/Pill.tsx

@@ -1,26 +0,0 @@
-import styled from '@emotion/styled';
-
-type PillProps = {
-  className?: string;
-  label?: string;
-};
-
-const StyledPill = styled.span`
-  align-items: center;
-  background: ${({ theme }) => theme.background.transparent.light};
-  border-radius: ${({ theme }) => theme.border.radius.pill};
-  color: ${({ theme }) => theme.font.color.light};
-  display: inline-block;
-  font-size: ${({ theme }) => theme.font.size.xs};
-  font-style: normal;
-  font-weight: ${({ theme }) => theme.font.weight.medium};
-  gap: ${({ theme }) => theme.spacing(2)};
-  height: ${({ theme }) => theme.spacing(4)};
-  justify-content: flex-end;
-  line-height: ${({ theme }) => theme.text.lineHeight.lg};
-  padding: ${({ theme }) => `0 ${theme.spacing(2)}`};
-`;
-
-export const Pill = ({ className, label }: PillProps) => (
-  <StyledPill className={className}>{label}</StyledPill>
-);

packages/twenty-front/src/modules/ui/display/pill/components/__stories__/Pill.stories.tsx

@@ -1,16 +0,0 @@
-import { Meta, StoryObj } from '@storybook/react';
-
-import { ComponentDecorator } from '~/testing/decorators/ComponentDecorator';
-
-import { Pill } from '../Pill';
-
-const meta: Meta<typeof Pill> = {
-  title: 'UI/Display/Pill/Pill',
-  component: Pill,
-  decorators: [ComponentDecorator],
-};
-
-export default meta;
-type Story = StoryObj<typeof Pill>;
-
-export const Default: Story = {};

packages/twenty-front/src/modules/ui/input/button/components/Button.tsx

@@ -1,9 +1,9 @@
 import React from 'react';
 import { css, useTheme } from '@emotion/react';
 import styled from '@emotion/styled';
+import { Pill } from 'twenty-ui';
 
 import { IconComponent } from '@/ui/display/icon/types/IconComponent';
-import { Pill } from '@/ui/display/pill/components/Pill';
 
 export type ButtonSize = 'medium' | 'small';
 export type ButtonPosition = 'standalone' | 'left' | 'middle' | 'right';

packages/twenty-front/src/modules/ui/layout/tab/components/Tab.tsx

@@ -1,9 +1,9 @@
 import * as React from 'react';
 import { useTheme } from '@emotion/react';
 import styled from '@emotion/styled';
+import { Pill } from 'twenty-ui';
 
 import { IconComponent } from '@/ui/display/icon/types/IconComponent';
-import { Pill } from '@/ui/display/pill/components/Pill';
 
 type TabProps = {
   id: string;

packages/twenty-front/src/modules/ui/theme/components/AppThemeProvider.tsx

@@ -1,7 +1,5 @@
 import { ThemeProvider } from '@emotion/react';
-
-import { THEME_DARK } from '@/ui/theme/constants/ThemeDark';
-import { THEME_LIGHT } from '@/ui/theme/constants/ThemeLight';
+import { THEME_DARK, THEME_LIGHT } from 'twenty-ui';
 
 import { useColorScheme } from '../hooks/useColorScheme';
 import { useSystemColorScheme } from '../hooks/useSystemColorScheme';