add actions

.forgejo/workflows/build.yml

@@ -5,12 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: https://code.forgejo.org/actions/checkout@v3
-      - uses: https://github.com/actions/setup-python@v3
-        with:
-          python-version: "3.10"
-          architecture: "x64"
-        env:
-          AGENT_TOOLSDIRECTORY: /opt/hostedtoolcache
+      - run: |
+          apt install python3-pip
       - run: |
           pip install mkdocs-material
           pip install mkdocs-table-reader-plugin