Add GitHub Actions CI workflow

.github/workflows/python-package-conda.yml

@@ -0,0 +1,46 @@
+name: Python Package using Conda
+
+on: [push]
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-20.04
+    strategy:
+      max-parallel: 5
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.6
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.6.15'
+    - name: Add conda to system path
+      run: |
+        # $CONDA is an environment variable pointing to the root of the miniconda directory
+        echo $CONDA/bin >> $GITHUB_PATH
+    - name: Install dependencies
+      run: |
+        export LANG=en_US.iso885915
+        conda info
+        echo $LANG
+        conda env update --file environment.yml --name base
+    - name: Install microSALT
+      run: |
+         mkdir ~/.microSALT && cp configExample.json ~/.microSALT/config.json
+         GITHUB_BRANCH=${GITHUB_REF##*/}
+         branch=$GITHUB_BRANCH; yes | bash <(cat install.sh) $branch  
+         conda activate microSALT
+    - name: Lint with flake8
+      run: |
+        conda install flake8
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        conda install pytest
+        pytest --cov=microSALT tests/
+    - name: Run Coveralls
+      run: |
+        coveralls