Add GitHub Actions workflow

This is the first stage of migrating CI to GitHub Actions.
The goal for the CI overall is to compile scala via the
update script and run the test script upon merge to
develop.  Eventually this will integrate wth a GitFlow
release process.

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - develop
+      - hotfix/**
+      - release/**
+      - test/**
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  compile-then-run-tests:
+    name: Compile scala, run server, run tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ secrets.AWS_REGION }}
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
+      - name: Install and configure pipenv
+        run: |
+          PYTHON_PATH=$(which python)
+          pip install pipenv
+          pipenv --python $PYTHON_PATH
+        
+      - name: Run setup script
+        run: ./scripts/setup
+
+      - name: Run test
+        run: ./scripts/citest

scripts/citest

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -x
+
+./scripts/server >gh_output.txt 2>&1 &
+sleep 15
+./scripts/test
+
+# Uncomment following line to see server output in GitHub Actions
+# cat gh_output.txt