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>

nx.json

@@ -2,38 +2,26 @@
   "targetDefaults": {
     "build": {
       "cache": true,
-      "dependsOn": [
-        "^build"
-      ]
+      "dependsOn": ["^build"]
     },
     "start": {
       "cache": true,
-      "dependsOn": [
-        "^build"
-      ]
+      "dependsOn": ["^build"]
     },
     "lint": {
       "cache": true
     },
     "test": {
       "cache": true,
-      "dependsOn": [
-        "^build"
-      ]
+      "dependsOn": ["^build"]
     },
     "test:e2e": {
       "cache": true,
-      "dependsOn": [
-        "^build"
-      ]
+      "dependsOn": ["^build"]
     },
     "@nx/jest:jest": {
       "cache": true,
-      "inputs": [
-        "default",
-        "^default",
-        "{workspaceRoot}/jest.preset.js"
-      ],
+      "inputs": ["default", "^default", "{workspaceRoot}/jest.preset.js"],
       "options": {
         "passWithNoTests": true
       },
@@ -46,10 +34,7 @@
     },
     "@nx/vite:test": {
       "cache": true,
-      "inputs": [
-        "default",
-        "^default"
-      ]
+      "inputs": ["default", "^default"]
     }
   },
   "installation": {
@@ -67,5 +52,23 @@
         "unitTestRunner": "none"
       }
     }
+  },
+  "plugins": [
+    {
+      "plugin": "@nx/storybook/plugin",
+      "options": {
+        "buildStorybookTargetName": "build-storybook",
+        "serveStorybookTargetName": "storybook",
+        "testStorybookTargetName": "test-storybook",
+        "staticStorybookTargetName": "static-storybook"
+      }
+    }
+  ],
+  "tasksRunnerOptions": {
+    "default": {
+      "options": {
+        "cacheableOperations": ["build-storybook"]
+      }
+    }
   }
-}
+}