feat: UnoCSS (TailwindCSS) (Storybook only) (#61)

* feat: unocss (wip)

* feat: unocss (storybook only)

* cleanup unocss config

* revert button.stories.tsx changes

unocss.config.ts

@@ -0,0 +1,58 @@
+import presetUno from '@unocss/preset-uno';
+import presetWebFonts from '@unocss/preset-web-fonts';
+import transformerDirectives from '@unocss/transformer-directives';
+import transformerVariantGroup from '@unocss/transformer-variant-group';
+import { defineConfig } from 'unocss';
+
+export default defineConfig({
+    rules: [
+        ['btn-transition', { transition: 'color 180ms, border-color 150ms, background-color 150ms, transform 50ms' }],
+        [
+            'ring-offset-0',
+            {
+                '--un-ring-offset-width': '0px',
+            },
+        ],
+    ],
+    shortcuts: {
+        focusable: 'outline-none ring-blue-500/50 dark:ring-blue-400/60 ring-0 focus-visible:ring-4',
+    },
+    theme: {
+        easing: {
+            'in-out-expo': 'cubic-bezier(.46, 0, .21, 1)',
+            'out-expo': 'cubic-bezier(0.19, 1, 0.22, 1)',
+        },
+        colors: {
+            ut: {
+                'burnt-orange': '#BF5700',
+                black: '#333F48',
+                orange: '#f8971f',
+                yellow: '#ffd600',
+                'light-green': '#a6cd57',
+                green: '#579d42',
+                teal: '#00a9b7',
+                blue: '#005f86',
+                gray: '#9cadb7',
+                'off-white': '#d6d2c4',
+                concrete: '#95a5a6',
+            },
+            theme: {
+                red: '#af2e2d',
+                black: '#1a2024',
+            },
+        },
+    },
+
+    presets: [
+        presetUno(),
+        presetWebFonts({
+            provider: 'none',
+            fonts: {
+                sans: {
+                    name: 'Roboto Flex',
+                },
+            },
+        }),
+    ],
+    transformers: [transformerVariantGroup(), transformerDirectives()],
+});