chore(): add CI script

.github/workflows/verify.yaml

@@ -0,0 +1,21 @@
+name: Verify
+on: push
+jobs:
+  verify:
+    name: Verify Code
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Node
+        uses: actions/setup-node@v2-beta
+        with:
+          node-version: '18'
+      - name: Install
+        run: |
+          npm install -g pnpm
+          pnpm install
+      - name: Build Packages
+        run: pnpm build
+      - name: Unit tests
+        run: pnpm test

readme.md

@@ -1,7 +1,7 @@
-Implementation of the [flexbox](https://www.w3.org/TR/css-flexbox-1) algorithm in typescript. Most major features are
-implemented. I do not plan to cover stuff like aspect ratios. 
+Implementation of the [flexbox](https://www.w3.org/TR/css-flexbox-1) algorithm in typescript. Although some features
+are still missing, most major features should be implemented.
 
-Missing planed features: 
+Missing: 
 
 - [ ] min/max size constraints 
 - [ ] position: absolute