add CI build

Author: mmoayyed

.github/renovate.json

@@ -0,0 +1,11 @@
+{
+  "extends": [
+    "config:base",
+    ":preserveSemverRanges",
+    ":rebaseStalePrs",
+    ":disableRateLimiting",
+    ":semanticCommits",
+    ":semanticCommitTypeAll(renovatebot)"
+  ],
+  "labels": ["dependencies", "bot"]
+}

.github/workflows/build.yml

@@ -0,0 +1,45 @@
+name: Build
+
+env:
+  JAVA_OPTS: "-Xms512m -Xmx6048m -Xss128m -XX:ReservedCodeCacheSize=512m -server -XX:+UseG1GC"
+  GRADLE_OPTS: "-Xms512m -Xmx6048m -Xss128m -XX:ReservedCodeCacheSize=512m -server -XX:+UseG1GC"
+  TERM: xterm-256color
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  JDK_CURRENT: 11
+
+##########################################################################
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+##########################################################################
+
+jobs:
+  cancel-previous-runs:
+    runs-on: ubuntu-latest
+    timeout-minutes: 1
+    steps:
+      - uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    needs: cancel-previous-runs
+    steps:
+      - uses: actions/checkout@v2
+      #      - name: Setup tmate session
+      #        uses: mxschmitt/action-tmate@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ env.JDK_CURRENT }}
+          distribution: 'temurin'
+      - name: Build
+        run: ./gradlew clean build

README.md

@@ -4,7 +4,7 @@ This is a sample application that acts as a WS Federation client using Apache Fe
 
 ## Build
 
-You will need JDK 1.8.
+You will need JDK 11.
 
 ```bash
 ./gradlew clean build