Check links in all md at every CI/CD (#20)

* add markdown-link-check to pre-commit

* fix broken links and rename pandera schema model -> pandera dataframe model

* specify intentional mistake in wrong_syntax.py for ruff

* force re-check the links during the style check

* always re-run pre-commit on all files

Author: francesco086

.github/workflows/actions.yml

@@ -32,7 +32,7 @@ jobs:
         pre-commit install
     - name: Run pre-commit 👗🚀
       run: |
-        pre-commit run
+        pre-commit run --all-files
 
   test:
     runs-on: "${{ matrix.os }}"