add CI workflow

.github/workflows/CI.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+    tags: '*'
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash -l {0}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+        architecture: [x64]
+        python-version: ['3.9']
+      fail-fast: false
+    name: Test ${{ matrix.os }} ${{ matrix.architecture }}
+      Python ${{ matrix.python-version }}
+    steps:
+      - uses: actions/checkout@v1
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: ${{ matrix.architecture }}
+      - name: Setup Conda Environment
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          activate-environment: rms_env
+          environment-file: environment.yml
+          miniforge-variant: Mambaforge
+          miniforge-version: "latest"
+          python-version: ${{ matrix.python-version }}
+          use-mamba: true
+      - name: Conda Info
+        run: |
+          mamba info
+          mamba list
+      - name: Run test
+        run: |
+          nosetests pyrms/rmsTest.py