Merge pull request #268 from biowdl/BIOWDL-536

Use github actions CI

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: Continuous integration
+
+on: 
+  pull_request:
+    paths:
+      - "**.wdl"  # Workflow files and task 
+      - "**.yml"  # Ci configuration, tests and docker images 
+      - "!docs/**"
+
+defaults:
+  run:
+    # This is needed for miniconda, see:
+    # https://github.com/marketplace/actions/setup-miniconda#important
+    shell: bash -l {0}  
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    name: Womtool validate and submodule up to date.
+    steps:
+      - uses: actions/[email protected]
+        with:
+          submodules: recursive
+      - name: install miniconda
+        uses: conda-incubator/[email protected]
+        with:
+          channels: conda-forge,bioconda,defaults
+        # Conda-incubator uses 'test' environment by default.
+      - name: install requirements
+        run: conda install -n test cromwell miniwdl wdl-aid
+      - name: run linting
+        run: bash scripts/biowdl_lint.sh