check with new paradox

.github/workflows/r-cmd-check-paradox.yml

@@ -0,0 +1,44 @@
+# r cmd check workflow of the mlr3 ecosystem v0.1.0
+# https://github.com/mlr-org/actions
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+name: r-cmd-check-paradox
+
+jobs:
+  r-cmd-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: ubuntu-latest,   r: 'devel'}
+          - {os: ubuntu-latest,   r: 'release'}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: paradox
+        run: 'echo -e "Remotes:\n    mlr-org/paradox@s3_params,\n    mlr-org/mlr3learners@s3params_compat,\n    mlr-org/mlr3pipelines@s3params_compat,\n    mlr-org/mlr3oml@s3params_compat" >> DESCRIPTION'
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: ${{ matrix.config.r }}
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+      - uses: r-lib/actions/check-r-package@v2