Add package validators

Author: Yang-33

.github/workflows/test.yml

@@ -58,3 +58,10 @@ jobs:
         npm install
         npm run build
         cd -
+    - name: publint
+      run: npx publint
+    - name: validate package
+      run: |
+        ## install attw
+        npm i -g @arethetypeswrong/cli
+        attw $(npm pack)