wip: Migrating circleci to github actions

Author: abarker-launchdarkly

.github/actions/ci/action.yml

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+name: Shared CI Workflow
+
+inputs:
+  java_version:
+    description: 'The Java version to use.'
+    required: true
+  java_distribution:
+    description: 'The Java distribution to use.'
+    required: false
+    default: temurin
+  os:
+    description: 'The OS to use.'
+    required: false
+    default: ubuntu
+    options:
+      - ubuntu
+      - windows
+
+runs:
+  using: composite
+  steps:
+    - name: Setup Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: ${{ inputs.java_distribution }}
+        java-version: ${{ inputs.java_version }}
+
+    - name: Setup DynamoDB Service
+      if: inputs.os == 'ubuntu'
+      shell: bash
+      run: |
+        sudo docker run -d -p 8000:8000 amazon/dynamodb-local
+
+    - name: Setup DynamoDB Service
+      if: inputs.os == 'windows'
+      run: |
+        $ProgressPreference = "SilentlyContinue"
+        iwr -outf dynamo.zip https://s3-us-west-2.amazonaws.com/dynamodb-local/dynamodb_local_latest.zip
+        mkdir dynamo
+        Expand-Archive -Path dynamo.zip -DestinationPath dynamo
+        cd dynamo
+        javaw -D"java.library.path=./DynamoDBLocal_lib" -jar DynamoDBLocal.jar
+
+    - name: Restore Dependencies
+      shell: bash
+      run: ./gradlew dependencies
+
+    - name: Build Jar
+      shell: bash
+      id: buildjar
+      run: ./gradlew jar
+
+    - name: Build Documentation
+      shell: bash
+      run: ./gradlew javadoc
+
+    - name: Check Style
+      shell: bash
+      run: ./gradlew checkstyleMain
+
+    - name: Run Tests
+      if: steps.buildjar.outcome == 'success'
+      shell: bash
+      run: ./gradlew test

.github/workflows/build-test.yml

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+name: Build and Test
+
+on:
+  push:
+    branches: [main, feat/**, abarker/**]
+    paths-ignore:
+      - '**.md' #Do not need to run CI for markdown changes.
+  pull_request:
+    branches: [main, feat/**]
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build-and-test:
+    strategy:
+      matrix:
+        javaversion: [8, 11, 17, 19]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Shared CI Steps
+        uses: ./.github/actions/ci
+        with:
+          os: ubuntu
+          java_version: ${{ matrix.javaversion }}