adding a docs build test

.github/workflows/docs_test.yml

@@ -0,0 +1,32 @@
+name: Deploy
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+        fail-fast: false
+        matrix:
+            os: ["ubuntu-latest"]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.11"
+    - name: debug
+      run: |
+        pwd
+        ls
+    - uses: mpi4py/setup-mpi@v1
+    - name: Install dependencies
+      run: |
+        pip install --user . mcdc[docs]
+        pip list 
+    - name: Patch Numba
+      run : |
+        bash .github/workflows/patch.sh
+    - name: Regression Test - Numba and MPI
+      run: |
+          cd doc && make html