Moved over Vonage GHA and removed Travis

Author: dragonmantank

.github/workflows/build.yml

@@ -0,0 +1,40 @@
+name: Build Java CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [ 8, 8.0.x, 9.0.x, 11.0.x, 14 ]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v2
+
+      - name: Setup Java
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{matrix.java}}
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Cache Gradle packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+          restore-keys: ${{ runner.os }}-gradle
+
+      - name: Build with Gradle
+        run: ./gradlew build
+
+      - name: Run Codecov
+        uses: codecov/codecov-action@v1