Add poetry files and testing instructions across multiple python versions

.github/workflows/ci.yaml

@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  Security:
+    name: Security Pipeline
+    uses: uc-cdis/.github/.github/workflows/securitypipeline.yaml@master
+    with:
+       python-poetry: 'false'
+    secrets: inherit # pragma: allowlist secret
+  UnitTest:
+    name: Python Unit Test
+    uses: uc-cdis/.github/.github/workflows/python_unit_test.yaml@master
+    strategy:
+      matrix:
+      # the versions for which we require the CI to pass on PRs can
+      # be updated in the repo settings (branch rules)
+        version: ['3.9', '3.10','3.11','3.12','3.13']
+      fail-fast: false # run for all versions even if one of them fails
+    with:
+        python-version: ${{matrix.version}}