feat: add tests setup

Author: pstachula-dev

.github/workflows/main.yml

@@ -17,6 +17,7 @@ jobs:
           cache: 'npm'
       - run: npm ci
       - run: npm run lint
+      - run: npm run test
       - run: npm run format:ci
       - run: npm run tsc
       - run: npm run build

README.md

@@ -2,7 +2,9 @@
 
 ## Component features
 
-- Extremely small package size: 2kB gzipped
+- Extremely small package size (gzipped):
+  - Javascript: 2.5kB
+  - CSS: 1.5kB
 - 0 external dependencies
 - Full typescript support
 - Built in with Tailwind, but you can always customize the styles